Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Notes about this update. When this update is installed, Windows may attempt to download and install feature updates to your device if it is approaching or has reached the end of support for your currently installed Windows version.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

感谢对 Xbox Game Pass Friends & Family 预览计划的关注和参与。看到我们的 Game Pass Ultimate 成员与其朋友和家人分享 Game Pass的 乐趣，真是太棒了。

Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)