Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Informazioni su come installare, reinstallare o attivare Microsoft 365 o Office 2019 in un PC o un Mac.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.

How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.

Sharing your notes is easy in OneNote for Windows 10. You can invite others to view a specific page or an entire notebook, and you can select whether notebook participants can only view or fully edit your notes.

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.