Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

How to access and change the privacy settings in Windows 10 and 11.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger.To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

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。

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Use Find my device to locate and lock your lost or stolen Windows devices.

Learn how to use drag and drop to transfer content between your Android device and PC.