: The only edition of version 1507 that received updates recently was Windows 10 Enterprise LTSB 2015 . However, its extended support period officially ended on October 14, 2025 .

The demand for a Windows 10 Version 1507 ISO updated to its final state often comes from users running older hardware that struggles with the heavier resource requirements of modern versions like 22H2. Because Version 1507 was the first iteration, it lacks many of the background services and "bloatware" that were added in later updates like the Anniversary or Creators Updates. This makes it an attractive option for "de-bloated" installations or for running specialized software that requires the original Windows 10 kernel.

: Standard versions of 1507 have not received security patches for years. The LTSB 2015 version received its final regular cumulative updates in late 2025 (e.g., KB5065430 in September 2025). How to Obtain Version 1507

Servicing stack update for Windows 10, Version 1507: May 14, 2019

Windows 10 Version 1507 (Build 10240) is the original 2015 "RTM" release, and Microsoft no longer provides officially updated ISOs for this retired version, except for the Enterprise LTSB 2015 edition, which receives extended support until 2025. To obtain an updated 1507 ISO, users must utilize tools like UUP Dump to pull recent cumulative updates from Microsoft servers or manually slipstream patches into the original ISO using DISM. For instructions on creating updated Windows media, visit the UUP dump website.