Windows 11 25H2 Update Now Available to Windows Insiders

Microsoft has released the first version of the Windows 11 25H2 update, which will be available to the broader public in the second half of 2025. The update is designed to provide a reset for the 36-month support lifecycle for Enterprise and Education editions and the 24-month lifecycle for Pro, Pro Education, and Pro for Workstation editions. The 25H2 update is smaller, weighing in at 40% less than the previous version, and introduces the Windows shared servicing branch, which applies the same technology used for monthly updates to annual feature updates.

Key Takeaways:

• The Windows 11 25H2 update is now available to Windows insiders, with a planned broader release for the second half of 2025.
• The update marks a reset for the 36-month support lifecycle for Enterprise and Education editions and the 24-month lifecycle for Pro, Pro Education, and Pro for Workstation editions.
• The 25H2 update installation package is 40% smaller than the previous version, indicating improved efficiency.
• The update introduces the Windows shared servicing branch, which allows for feature updates via servicing using enablement packages (eKB).
• The Windows 11 25H2 and 24H2 updates share the same source code.
• Users interested in installing the new 25H2 build can enroll in the Windows Insider Program and join the Dev Channel.
• Windows 11 25H2 update is now available to Windows insiders.
• The update is planned for broader release in the second half of 2025.
• The 25H2 update installation package weighs 40% less than the previous version.
• The Windows shared servicing branch is introduced in the 25H2 update.
• The Windows 11 25H2 and 24H2 updates share the same source code.

Sources:

• Microsoft, "Windows 11 Version 25H2 Now Available to Windows Insiders" (no date specified)
• timescontent.com, "How to install the new 25H2 build of Windows 11" (no date specified)