Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

A Blue cloud or a cloud with an arrow icon next to your OneDrive files or folders indicates that the file is only available online. Online-only files don’t take up space on your computer. You can’t open online-only files when your device isn’t connected to the Internet. Learn more about OneDrive Files On-Demand.

Apprenez à activer Windows à l'aide d'une clé de produit ou d'une licence numérique, à vérifier l'état de votre activation et à lier votre compte Microsoft.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Outlook の迷惑メール フィルターでは、フィルター条件の一部として、メッセージの差出人を指定したメール アドレスおよびインターネット ドメインのリストと比較して、信頼できるか受信を拒否するかを確認しています。

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.

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Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

A wireless network at home lets you get online from more places in your house. This article describes the basic steps for setting up a wireless network and starting to use it.

How to uninstall Office automatically. After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process.