Find out which power supply model goes with your Surface device—including the power supply model number, power and wattage, and USB charging port.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Find answers to common questions about genuine Windows software.

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.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ

了解如何从“设置”、登录屏幕和黑屏或空白屏幕启动到 Windows 中的安全模式。

When you sign into the Xbox PC app, the Microsoft account associated with your Xbox profile will be used in the Xbox app for access to Xbox Game Pass and all other purchases, including rights to purchased games.

Troubleshooting steps for the calling feature of the Phone Link app.