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

Learn how Smart charging in Windows can help your battery last longer over time.

Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

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

Try these troubleshooting steps if Microsoft Store does not launch in Windows 10.

As you type inside the To, Cc, or Bcc boxes, Outlook suggests recipients. The Auto-Complete List can be turned off.

Windows で BitLocker 回復キーを見つけるためのさまざまな方法について説明し、BitLocker がシステムでどのようにアクティブ化されているかについて説明します。

You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.

When you’re connected to the internet and using a proxy server while browsing the web, that traffic goes through the proxy server instead of coming directly from your Windows 11 PC.