Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

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。

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

Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.

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 sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

Learn about what effect closing a Microsoft account might have on your other apps and services.

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