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

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Add voting buttons to a message so that recipients can vote; results are tracked automatically in Outlook.

Learn how to view, manage, and delete cookies in Microsoft Edge.

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

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。

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

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。