Open Device Manager - Microsoft Support
In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Find the serial number on your Microsoft or Surface device
If you have this Surface. Find it here. Surface Laptop, any Surface Laptop Go, and Surface Laptop SE. Look under your keyboard near the hinge. Any Surface Laptop Studio. Starting in Laptop mode, gently rotate the top of the display backwards 180 degrees.
Product keys for Windows - Microsoft Support
A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.
Fix problems that block programs from being installed or removed ...
Note: Use these steps for Windows programs.If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store.
Windowsでドライバーを手動で更新する - Microsoft サポート
注: Windowsでドライバーの更新プログラムを取得する最も安全で安全な方法は、常にWindows Updateです。Windows Updateに問題がある場合は、Update Windowsのリンクのいずれかが最初に役立つかどうかを確認できます。
Deinstallieren oder Entfernen von Apps und Programmen in Windows ...
Deinstallieren über das Startmenü. Wählen Sie "Start " > "Alle Apps" aus, und suchen Sie in der angezeigten Liste nach der App.
Move your files to a new Windows PC using an external storage device
Note: For info on how to move files to a new PC without needing a storage device, see Move files to a new Windows PC using OneDrive.OneDrive can securely store your files, so they’re backed up and protected in the cloud and accessible from any device—including your new PC.
Fix microphone problems - Microsoft Support
If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:
Can I upgrade to Windows 11? - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Windows 用のインストール メディアを作成する - Microsoft サポート
インストール メディア (USB フラッシュ ドライブまたは DVD) を使用すると、Windows の新しいコピーのインストール、クリーン インストール、Windows の再インストールを行うことができます。