Office のプロダクト キーを入力する場所 - Microsoft サポート
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。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
Fix problems with the Start menu - Microsoft Support
Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.
Join a meeting without an account in Microsoft Teams
Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.
Applies To:
Microsoft Teams
在 Windows 中配對藍牙裝置 - Microsoft 支援服務
如果您在安裝印表機或掃描器時發生問題，請參閱修正印表機問題或在 Windows 中安裝和使用掃描器。. 使用迅速配對來配對藍牙裝置. Windows 11中的迅速配對可讓您快速配對支援的藍牙裝置與電腦。
关闭电脑，或使其进入睡眠或休眠状态 - Microsoft 支持
可以通过多种方法关闭电脑：完全关闭电脑、使电脑进入睡眠状态或使电脑进入休眠状态。
Protect your OneDrive files in Personal Vault - Microsoft Support
Protect your most important files in OneDrive Personal Vault with an extra layer of security. Learn how to set up, lock, or unlock Personal Vault.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Modifier ou réinitialiser votre mot de passe - Support Microsoft
Découvrez comment modifier ou réinitialiser votre mot de passe Windows si vous l’avez oublié ou perdu.
How to recover a hacked or compromised Microsoft account
Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.
Como iniciar sessão no Hotmail - Suporte da Microsoft
O Hotmail é agora Outlook.com. Saiba como iniciar sessão para aceder ao seu Outlook.com, Hotmail, Live, ou conta de e-mail MSN.
Applies To:
Outlook.com
Change your account picture - Microsoft Support
Learn how to change your account picture in Windows. Choose from pictures on your PC or take a new selfie.