Learn how to change the email address or phone number that’s associated with your Microsoft account.

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

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

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

Find out how to connect your Xbox Wireless Controller to a Windows device.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

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