Office 小型企业版、Office 家庭和学生版以及 Office 专业版可在单台计算机上安装。 如果尝试在另一台（自己所有的或其他人所有的）计算机，或者硬件更改后的同一台计算机上安装和激活这些版本的 Office，则可能会看到一条错误消息，提示你已达到最大激活数量。

Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

L'app Microsoft Authenticator ti consente di accedere ai tuoi account quando usi la verifica in due passaggi.

Learn how to improve Windows PC performance if your device is running slowly.

Download information. The following files are available for download from the .NET Download site: Download the Microsoft .NET Framework 4.8 offline installer package now.

Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.

Learn what you can do if you're not receiving account aign-in verification codes.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.