連絡 Microsoft 支援服務。尋找常見問題的解決方案，或向支援專員尋求協助。

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

The great news is you usually don’t have to do anything! If you have enabled automatic updates, new updates will automatically download and install whenever they’re available, so you don’t have to think about it. On the left side of this page, you’ll find a list of all the updates released for this version of Windows.

Windows 10 および Windows 11 の最も一般的なアップグレードとインストールのエラーと、それらを修正するために実行できる操作について説明します。

Opmerking: Als er een compatibiliteitsprobleem op uw apparaat is vastgesteld dat uw ervaring met het gebruik van Windows 11 zou verstoren, stellen we uw upgrade tijdelijk uit totdat het probleem is opgelost.Compatibiliteitsbeveiliging zorgt ervoor dat u de best mogelijke ervaring hebt bij het upgraden en dat uw productiviteit niet wordt verstoord als kritieke apps of stuurprogramma's nog niet ...

Tip: To quickly open the On-screen Keyboard in Windows 11, click the Windows button.Begin typing On-Screen Keyboard which will appear in the search entry box. Under Search, which will appear as a list above the search box, click the On-Screen Keyboard search result. When the on-screen keyboard appears, click the ScrLk button.

Get in touch with Microsoft Support for assistance with Microsoft products and services.

Microsoft Support er her for at hjælpe dig med Microsoft-produkter. Find vejledningsartikler, videoer og kurser til Microsoft Copilot, Microsoft 365, Windows, Surface og meget mere.

If you don’t like how your pages will be printed, you can change page margins or add page breaks. Click Print. Activate and use an add-in. On the File tab, choose Options, and then choose the Add-Ins category. Near the bottom of the Excel Options dialog box, make sure that Excel Add-ins is selected in the Manage box, and then click Go.

Um Ihre Webcam oder Kamera zu öffnen, wählen Sie die Schaltfläche Start und dann Alle Appsund dann Kamera in der Liste der Apps aus. Wenn Sie über mehrere Kameras verfügen, können Sie zwischen ihnen wechseln, indem Sie oben rechts Kamera ändern auswählen, sobald die Kamera-App geöffnet ist.