{"product_id":"microsoft-windows-10-enterprise-ltsb-2015-retail-20-pc","title":"Microsoft Windows 10 Enterprise LTSB 2015 Retail [20 PC]","description":"\u003ch2\u003eWindows 10 Enterprise LTSB 2015 — The Original LTSB Build, Engineered for Stability\u003c\/h2\u003e\u003cp\u003eWindows 10 Enterprise LTSB 2015 is the first Long-Term Servicing Branch release of Windows 10, built on the original 1507 RTM build and released in July 2015. LTSB is the servicing model that Microsoft designed for fixed-purpose devices and specialized systems where stability and predictability matter more than feature currency. LTSB releases do not include the in-box consumer apps and do not receive feature updates — only the monthly security and reliability updates that keep the build protected. Your purchase is delivered as a 25-character Volume License MAK key with secure electronic delivery, full Microsoft Volume Licensing rights for 20 PCs, and 100% genuine Microsoft activation. Every key is sourced directly from Microsoft authorized channels, delivered to your account dashboard within seconds of payment, and backed by a 7-day replacement-or-refund warranty with a real-human support team on hand if activation hits a snag. 🪟 🏢\u003c\/p\u003e\u003cp\u003eThis listing provides one volume license key that activates up to 20 PCs. The 2015 LTSB follows Microsoft's Fixed Lifecycle Policy with a 10-year support window, ending October 14, 2025. It is the right choice for organizations that have validated the original 1507 build for compliance, certification, or driver-stability reasons and want the longest possible support runway.\u003c\/p\u003e\u003ch2\u003eWhat Is Included and How Activation Works\u003c\/h2\u003e\u003cp\u003eYour purchase delivers one 25-character Microsoft volume license key for Windows 10 Enterprise LTSB 2015. The key activates up to 20 PCs. The license attaches to the hardware on first activation and remains valid for the life of each device, including after clean operating system reinstalls on the same machine.\u003c\/p\u003e\u003cp\u003eTo activate:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eDownload the official Windows 10 Enterprise LTSB 2015 (build 1507) installation media from the Microsoft Volume Licensing Service Center (VLSC).\u003c\/li\u003e\n\u003cli\u003eInstall Windows 10 Enterprise LTSB 2015 on each PC and reach the desktop.\u003c\/li\u003e\n\u003cli\u003eOpen an elevated command prompt and install the product key with \u003cstrong\u003eslmgr \/ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eActivate against Microsoft servers with \u003cstrong\u003eslmgr \/ato\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eVerify activation status with \u003cstrong\u003eslmgr \/dli\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eKey Features and Capabilities\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Servicing Branch\u003c\/strong\u003e — receives only monthly quality and security updates; no feature updates are ever delivered to this build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year support lifecycle\u003c\/strong\u003e — Fixed Lifecycle Policy with mainstream support ending October 13, 2020 and extended support ending October 14, 2025.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo in-box consumer apps\u003c\/strong\u003e — does not include Microsoft Store, Cortana, Microsoft Edge Legacy, the Xbox app, or the consumer in-box apps that ship with standard Windows 10.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirectAccess and Always On VPN\u003c\/strong\u003e — automatic, always-on connectivity to the corporate network for managed devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppLocker\u003c\/strong\u003e — fine-grained control over which executables, scripts, installers, and packaged apps are allowed to run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCredential Guard\u003c\/strong\u003e — virtualization-based security that isolates LSA credentials in a secure kernel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Guard\u003c\/strong\u003e — hardware-rooted code integrity policies for locking down managed devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBranchCache\u003c\/strong\u003e — peer- and server-side caching to accelerate content delivery across the corporate network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBitLocker and Windows Information Protection\u003c\/strong\u003e — full-disk encryption and corporate data separation for managed devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup Policy and Domain Join\u003c\/strong\u003e — full local and domain-joined Group Policy management, plus Azure AD join for cloud-managed deployments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat Is Different About LTSB\u003c\/h2\u003e\u003cp\u003eThe LTSB servicing channel is intentionally minimal. You get the Windows 10 Enterprise code base, the kernel, the Win32 subsystem, the management stack, and the security features. You do not get Microsoft Store, Cortana, the legacy Edge browser, the Xbox app, the Mail and Calendar apps, or any of the other consumer in-box apps that ship with standard Windows 10. Microsoft updates LTSB only with the monthly cumulative rollups and out-of-band security fixes — never with feature updates that change behavior. For fixed-purpose devices, this is a feature, not a limitation: the build never changes underneath the application.\u003c\/p\u003e\u003ch2\u003eWho This Edition Is For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegulated industries\u003c\/strong\u003e (medical, industrial, financial) that need a frozen, validated build for compliance reasons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed-purpose devices\u003c\/strong\u003e — ATMs, point-of-sale terminals, digital signage, kiosks, and manufacturing equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir-gapped or low-bandwidth environments\u003c\/strong\u003e that cannot tolerate the bandwidth of semi-annual feature updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-cycle certification programs\u003c\/strong\u003e where the cost of revalidating a new build is prohibitive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganizations standardizing on the original 1507 build\u003c\/strong\u003e for driver stability or application compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSystem Requirements\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMinimum\u003c\/th\u003e\n\u003cth\u003eRecommended\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003e1 GHz or faster CPU or SoC\u003c\/td\u003e\n\u003ctd\u003e1.5 GHz+ multi-core 64-bit CPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAM (64-bit)\u003c\/td\u003e\n\u003ctd\u003e2 GB\u003c\/td\u003e\n\u003ctd\u003e4 GB or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard disk space\u003c\/td\u003e\n\u003ctd\u003e20 GB (64-bit)\u003c\/td\u003e\n\u003ctd\u003e64 GB or larger SSD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraphics card\u003c\/td\u003e\n\u003ctd\u003eDirectX 9 with WDDM 1.0 driver\u003c\/td\u003e\n\u003ctd\u003eDirectX 12 with WDDM 2.0 driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e800 x 600\u003c\/td\u003e\n\u003ctd\u003e1366 x 768 or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTPM\u003c\/td\u003e\n\u003ctd\u003eNot required for base install\u003c\/td\u003e\n\u003ctd\u003eTPM 1.2 or 2.0 recommended for BitLocker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternet\u003c\/td\u003e\n\u003ctd\u003eRequired for setup and updates\u003c\/td\u003e\n\u003ctd\u003eBroadband recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eActivation and Licensing Notes\u003c\/h2\u003e\u003cp\u003eWindows 10 Enterprise LTSB 2015 is licensed through Microsoft Volume Licensing for commercial and government customers. The 20-PC volume key activates each device against Microsoft's hosted activation servers. Each successful activation counts against the 20-activation pool. Once activated, each device remains genuine for the life of the hardware, receiving monthly security updates through Windows Update as long as the build is in support.\u003c\/p\u003e\u003cp\u003eNote that LTSB 2015 reaches end of support on October 14, 2025. After that date, no further security updates will be released for this build, and Microsoft Support will no longer be available. Organizations with long-term deployments should plan a migration to a newer LTSC release (LTSB 2016, LTSC 2019, LTSC 2021) or to a supported platform before that date.\u003c\/p\u003e\u003ch2\u003eGet Started With Windows 10 Enterprise LTSB 2015\u003c\/h2\u003e\u003cp\u003eDownload the LTSB 2015 (build 1507) installation media from the Microsoft Volume Licensing Service Center, image your fixed-purpose devices, and activate each one with the volume key. Twenty activations from a single key — built for the longest possible support window in the Windows 10 Enterprise family.\u003c\/p\u003e\u003ch2\u003eLTSB 2015 vs LTSB 2016 vs LTSC 2019 vs LTSC 2021\u003c\/h2\u003e\u003cp\u003eChoosing between the four LTSB\/LTSC releases of Windows 10 Enterprise depends on the validation, certification, and support-window requirements of the deployment. The four releases and their support windows are:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindows 10 2015 LTSB (build 1507):\u003c\/strong\u003e released July 2015, mainstream support ended October 13, 2020, extended support ends October 14, 2025.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindows 10 2016 LTSB (build 1607):\u003c\/strong\u003e released August 2016, mainstream support ended October 12, 2021, extended support ends October 13, 2026.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindows 10 Enterprise LTSC 2019 (build 1809):\u003c\/strong\u003e released November 2018, mainstream support ends January 9, 2024, extended support ends January 9, 2029.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindows 10 Enterprise LTSC 2021 (build 21H2):\u003c\/strong\u003e released November 2021, mainstream support ends January 12, 2027, no separate extended-support phase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eLTSB 2015 is the right choice when the deployment has been validated against the original 1507 build and the 10-year support runway (ending October 2025) is acceptable. LTSB 2016 adds the Anniversary Update feature set on top of 1507 and extends support by one year. LTSC 2019 is the most widely deployed of the four and the de facto standard for long-horizon LTSC deployments, with a 10-year support runway that extends to January 2029.\u003c\/p\u003e\u003ch2\u003eDeployment Best Practices for LTSB 2015\u003c\/h2\u003e\u003cp\u003eDeploying LTSB 2015 on fixed-purpose devices is straightforward: image the device with the LTSB 2015 media, apply the latest cumulative update to bring the build to a known security baseline, install the volume license key with \u003cstrong\u003eslmgr \/ipk\u003c\/strong\u003e, and activate with \u003cstrong\u003eslmgr \/ato\u003c\/strong\u003e. For large fleets, KMS activation against a local KMS host is more efficient than MAK activation; the Generic Volume License Key (GVLK) for LTSB 2015 is documented on Microsoft's KMS client setup keys page.\u003c\/p\u003e\u003cp\u003eCommon deployment considerations: disable Windows Update automatic restarts in production environments where the device must remain available, configure a maintenance window for cumulative updates, and document the build version and cumulative update level in the device's asset record. For regulated industries, store the validation evidence (driver compatibility matrix, application test results, security baseline compliance report) in a controlled repository and re-validate the build every time a new cumulative update is applied.\u003c\/p\u003e\u003ch2\u003eLTSB 2015 Specific Build Information\u003c\/h2\u003e\u003cp\u003eWindows 10 2015 LTSB is the original LTSB release, based on build 1507 (the RTM build of Windows 10). The build number reported by \u003cstrong\u003ewinver\u003c\/strong\u003e is 10240, and the major.minor build string is 10.0.10240.x. The build does not include the Anniversary Update (build 1607) features that LTSB 2016 adds, and it does not include the Windows Ink, Windows Hello for Business, or Conditional Access improvements that came with later Windows 10 feature updates.\u003c\/p\u003e\u003cp\u003eLTSB 2015 is most commonly used by organizations that standardized on the original 1507 build for certification or compliance reasons, or that validated their application stack against the original Windows 10 release and want to avoid the cost of re-validating against a newer build. The 10-year support runway ending October 14, 2025 is the longest available among the LTSB\/LTSC releases, and for deployments that have already validated against 1507, LTSB 2015 is often the lowest-risk option.\u003c\/p\u003e\u003cp\u003eFor new deployments in 2025 and beyond, LTSB 2015 is no longer recommended because the support window is about to close. Organizations planning new fixed-purpose deployments should use IoT Enterprise LTSC 2021, which carries a 10-year support runway through 2032 and is the current Microsoft-recommended path for new long-horizon fixed-purpose devices.\u003c\/p\u003e\u003ch2\u003eRelated Products You May Also Consider\u003c\/h2\u003e\u003cp\u003eCustomers comparing Microsoft Windows 10 Enterprise LTSB 2015 Retail [20 PC] often consider these related products before they check out.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/microsoft-windows-10-enterprise-mak-volume-1-pc\"\u003eWindows 10 Enterprise\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/microsoft-windows-10-enterprise-kn-mak-volume-20-pc\"\u003eWindows 10 Enterprise KN\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/microsoft-windows-10-enterprise-mak-volume-20-pc\"\u003eWindows 10 Enterprise\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/microsoft-windows-10-enterprise-mak-volume-500-pc\"\u003eWindows 10 Enterprise\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/microsoft-windows-10-enterprise-mak-volume-50-pc\"\u003eWindows 10 Enterprise\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMicrosoft Windows 10 Enterprise LTSB 2015 Alternatives\u003c\/h2\u003e\n\u003cp\u003eWith Windows 10 mainstream support ended in October 2025, three alternatives are worth comparing before you commit to a new licence.\u003c\/p\u003e\n\u003ch3\u003eWindows 11\u003c\/h3\u003e\u003cp\u003eThe current mainstream consumer and business release. Required for new hardware, Copilot, and the latest security baselines.\u003c\/p\u003e\u003ch3\u003eWindows 10 LTSC (IoT)\u003c\/h3\u003e\u003cp\u003eLong-term servicing branch supported into the late 2020s. Available only through specific licence channels and intended for fixed-purpose devices.\u003c\/p\u003e\u003ch3\u003eLinux Mint or Ubuntu LTS\u003c\/h3\u003e\u003cp\u003eFree, stable, and compatible with most productivity software. Best fit for users who can move off Windows-only line-of-business apps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Stay on Windows 10 only if you have a fixed-purpose device and a valid LTSC licence. Move to Windows 11 for the longest support window and current security. Move to Linux if your application stack allows it and you want zero licence cost.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat is the difference between LTSB and SAC?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eLTSB (Long-Term Servicing Branch) is a Windows 10 servicing channel that delivers only security and reliability updates — never feature updates. SAC (Semi-Annual Channel) receives two feature updates per year. LTSB is built for fixed-purpose devices where feature consistency matters more than feature currency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes LTSB 2015 include Microsoft Store or Cortana?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. LTSB releases are stripped of the in-box consumer apps: there is no Microsoft Store, no Cortana, no Microsoft Edge Legacy, no Xbox app. The build contains the Windows 10 Enterprise code base, the Win32 subsystem, the management stack, and the security features.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhen does LTSB 2015 reach end of support?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eWindows 10 2015 LTSB reaches end of support on October 14, 2025. After that date, no further security updates will be released for this build.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow many PCs can I activate with this key?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe volume key in this listing activates up to 20 PCs. Each activation uses one slot from the pool.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan I upgrade LTSB 2015 to LTSC 2019 or LTSC 2021?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. LTSB\/LTSC releases are independent branches; you cannot upgrade in place from LTSB 2015 to LTSC 2019 or LTSC 2021. A migration requires a clean install of the new LTSC build on the same or replacement hardware.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eIs the license perpetual?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe license is perpetual in the sense that it does not expire, but the operating system build itself is in support only until October 14, 2025. After that date, the build will continue to run, but Microsoft will not release further security updates.\u003c\/p\u003e\u003c\/details\u003e","brand":"Microsoft","offers":[{"title":"Default Title","offer_id":59850917511249,"sku":"MS-100-MICROSOFT-WINDOWS-10-ENTERPRISE-LTSB-201","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/0191\/6241\/files\/microsoft-windows-10-enterprise-ltsb-2015-kn-retail-20-pc.webp?v=1784725603","url":"https:\/\/dotkeys.net\/products\/microsoft-windows-10-enterprise-ltsb-2015-retail-20-pc","provider":"DotKeys","version":"1.0","type":"link"}