If you already have a Microsoft account that you use to sign in to other Microsoft services (such as Windows, Outlook, OneDrive, Office, MSN, and Skype), use that account to create your Xbox account as well.

1. 使用Microsoft帐户登录. 系统将提示你使用 Microsoft 帐户登录 . 如果移动设备上已有Microsoft帐户，系统会要求确认帐户，然后单击“ 继续”。 如果你的移动设备上没有现有的Microsoft帐户，系统会要求你登录帐户或创建一个新帐户，然后单击“继续”。 2.

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365

Office または Microsoft 365 を購入したときにプロダクト キーが付属していた場合は、使用している製品に対応する以下の Web サイトのいずれかにプロダクト キーを入力します。

Hinweise: Sie können entweder eine E-Mail-Adresse verwenden, die Sie als Microsoft-Konto besitzen, oder eine neue Adresse erstellen, indem Sie bei der Registrierung "Neue E-Mail-Adresse abrufen" oder "Stattdessen Ihre E-Mail verwenden" auswählen.

In the search box on the taskbar, type Create a restore point, and select it from the list of results.

Kontaktieren Sie den Microsoft-Support. Suchen Sie nach Lösungen für häufige Probleme, oder erhalten Sie Hilfe von einem Supportmitarbeiter.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings.