Type about in the search box on your taskbar, and then select About your PC.. View your PC info

试一试！ 从日历中加入 Microsoft Teams 会议，或以访客身份登录网页版。 从应用中加入 Teams 会议. 在“日历”中，选择“在会议开始前 加入会议”，或选择“正在开会”。

Outlook 2021 for Windows lets you better manage your inbox with the addition of new capabilities including Search at Top and Translator. If you're upgrading to Outlook 2021 for Windows from Outlook 2019, for Windows you'll still have all the features you're used to—and you'll notice a few new ones as well!

The files on your OneDrive are private until you share them. Keep in mind that when you share folders with Edit permissions, people you share with can add the shared folders to their own OneDrive.. This lets them keep the folder alongside their own folders and items, easily move items between folders, and more easily work on it offline.

Use OneDrive on your desktop. If you use Windows 10, OneDrive may have already asked you to sign in to sync your files. In File Explorer, select:

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365

A computer virus is a small software program that spreads from one computer to another and interferes with computer operation. A computer virus might corrupt or delete data on a computer, use an email program to spread the virus to other computers, or even delete everything on the hard disk.

Choose Open all, or Open all in new window, or Open all in new InPrivate window.

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

Si vous installez Windows sur un nouvel appareil ou une carte mère pour la première fois et que vous n’avez pas de clé de produit, sélectionnez Je n’ai pas de clé de produit pendant les écrans d’installation. À l’invite, entrez le compte Microsoft à utiliser pour acheter une licence numérique pour cet appareil.