was released to the Dev Channel on June 2, 2022. While the filename you mentioned references "21H2," Build 25131 is actually part of the Windows 11 development cycle and not Windows 10. Key Updates in Build 25131
: Downloading Windows ISOs or "zips" from unofficial sources carries a high risk of malware or tampered system files.
: Browsing and scrolling through the Store interface is noticeably faster.
: To prevent data loss, the Store now automatically skips updating any apps that are currently open.
This release was primarily a "bug fix" build, but it coincided with a major update to the (Version 22205.1401.3.0) that introduced several performance enhancements. Microsoft Store Enhancements :
: Insider builds are time-limited. Older builds like 25131 from 2022 will likely have expired , meaning they may refuse to boot or will reboot frequently.
: The safest way to get preview builds is through the Windows Insider Program or by downloading official ISOs directly from the Microsoft Insider Download Page . Announcing Windows 11 Insider Preview Build 25131