Find your Windows product key - Microsoft Support
Learn how to find your Windows product key for activation or when to use a digital license instead.
Applies To: Microsoft account dashboard
Activate Windows - Microsoft Support
To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Recall an email message that you sent in Outlook
Message recall is available after you select Send and is available only if both you and the recipient have a Microsoft 365 or Microsoft Exchange email account in the same organization.Messages sent to or from a Hotmail, Gmail, or live.com account can't be recalled.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
Reset or recover your lost Microsoft account password
On the We need to verify your identity screen, select the security contact method (email address or phone number) where you want us to send your code. Select the option listed to open a dropdown list of all options you have set up on your account. Follow the instructions for completing the contact email address or phone number and select Send code. ...
How to earn Microsoft Rewards points - Microsoft Support
Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).
Applies To: Microsoft account dashboard
Pair a Bluetooth device in Windows - Microsoft Support
In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar.Select Bluetooth to turn it on. If it's turned on without any Bluetooth devices connected, it might appear as Not connected . If you don't see Bluetooth in quick settings, you might need to add it.
PC 正常性チェック アプリの使用方法 - Microsoft サポート
現在 Windows 10 を実行している場合、PC 正常性チェックにより、お使いのデバイスが Windows 11 の最小システム要件を満たす適格なものかどうかを確認するための包括的なチェックが実行されます。 お使いのデバイスが適格である、またはそうではない理由と、デバイスが要件を満たさない場合に ...
Update drivers manually in Windows - Microsoft Support
Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.
Outlook.com の POP、IMAP、および SMTP の設定 - Microsoft サポート
ユーザー名. メール アドレス. パスワード. Microsoft アカウントのパスワード。 パスワードが認識されていない場合、または自宅のセキュリティ カメラなどのスマート デバイスに Outlook.com アカウントを追加する場合は、アプリパスワードが必要な場合があります。
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App