Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

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

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。

You can choose which apps will start automatically when you start your device.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Создание установочного носителя для установки или переустановки Windows 7, Windows 8.1 или Windows 10.

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

Learn how to manage background activity for apps to help save battery power in Windows.

Create a split form in Access. A split form gives you two views of the data at the same time — a Form view and a Datasheet view. Working with split forms gives you the benefits of both types of forms in a single form.