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Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

重要: 在选择从媒体启动之前，应验证设备是否满足最低系统要求，因为满足后才允许安装 Windows 11，如果你至少具有 TPM 1.2（而不是最低系统要求的 TPM 2.0），它将不会根据处理器的系列和模型验证处理器是否在批准的 CPU 列表上。

Si vous avez acheté Windows 10 ou Windows 11 Professionnel mise à niveau dans l’application Microsoft Store, vous recevrez une licence numérique au lieu d’une clé de produit dans l’e-mail de confirmation envoyé pour confirmer l’achat.

If you want multiple copies of a printout, change the number of copies in the Print page: On Windows 7 or earlier, at the top of the Print page is a box labeled Copies with up and down arrows for you to choose how many copies of the document you want. Make your choice (either by entering a number or using the arrows), and then click Print.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

These steps are the same whether you're adding your first iCloud email account or additional iCloud accounts to Outlook. Select a tab option below for the version of Outlook you're using.

The FILTER function allows you to filter a range of data based on criteria you define.

Windows Security is your home to manage the tools that protect your device and your data: Virus & threat protection - Monitor threats to your device, run scans, and get updates to help detect the latest threats. (Some of these options are unavailable if you're running Windows 10 in S mode.)