Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

Important Because changing your Microsoft account password is slightly different than resetting a forgotten password, this page does not cover the steps to reset your account password.

マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。

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

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

Learn how to remove passwords from your Microsoft account to increase security.

Download the latest internet browser recommended by Microsoft from the official support page.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.