Reactivating Windows after a hardware change - Microsoft Support
In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.
Erneutes Installieren von Windows - Microsoft-Support
Hinweise: Wenn Sie Windows 11 mithilfe eines Installationsmediums neu installieren, während Sie "Nichts beibehalten" (Neuinstallation) auswählen, wird automatisch reservierter Speicher aktiviert, wenn die Partition, auf der Sie Windows neu installieren, 20 GB oder größer ist. Die Option „Reservierter Speicher” reserviert Speicherplatz für Updates, Apps, temporäre Dateien und ...
Choose language settings for your keyboard, websites, and apps
Select Add a keyboard and choose the keyboard you want to add. If you don't see the keyboard you want, you may have to add a new language to get additional options. If this is the case, go on to step 4.
Microsoft アカウントのメール アドレスまたは電話番号を変更する
Microsoft アカウントに関連付けられているメール アドレスと電話番号は エイリアスと呼ばれ、同じ連絡先、オンライン ストレージ、サブスクリプション、アカウント設定を使用します。
Applies To: Microsoft account dashboard
Set up an authenticator app as a two-step verification method
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.
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
Upgrade to Windows 10 Pro - Microsoft Support
Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption
Using your keyboard - Microsoft Support
The following illustration shows how these keys are arranged on a typical keyboard. Your keyboard layout might be different. Typing text. Whenever you need to type something in a program, e‑mail message, or text box, you'll see a blinking vertical line ( ) called the cursor or insertion point.It shows where the text that you type will begin.
Windows 10 and Windows 11 in S mode FAQ - Microsoft Support
To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.
Troubleshooting black or blank screens in Windows
For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.