Compatibility update for upgrading to Windows 10: September 30, 2015

Applies to: Windows 10


This update makes improvements to ease the upgrade experience to Windows 10.

How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Windows Update

This update is available through Windows Update and will be downloaded and installed automatically.


There are no prerequisites for installing this update.

Restart information

You don't have to restart the computer after you apply this update. 

Update replacement information

This update replaces the previously released update 3081454.


See the terminology that Microsoft uses to describe software updates.