Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.

Learn how to download, customize, and troubleshoot Windows Media Player 12 with helpful guides and tips.

Join a Teams meeting on the web. Don't have the Teams app? You can still join a Teams meeting. In your email invite, select Join the meeting now.. You can also use a dial-in number and conference ID from the email to call in.

使用 Windows 设置应用更改桌面背景和颜色。

See how Xbox cloud gaming works on Android, Apple, and Windows devices, as well as Xbox consoles and Samsung smart TVs.

Tip: If you want to find cells that just match a specific format, you can delete any criteria in the Find what box, and then select a specific cell format as an example. Select the arrow next to Format, select Choose Format From Cell, and then select the cell that has the formatting that you want to search for.

Sign in using two-step verification or security info; Create app passwords in Security info (preview) Set up a phone call as your verification method

Sometimes add-ins can conflict with Outlook. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem.

This is a subscriber-only, Microsoft 365 feature. Find your version. Design ideas for one photo Applies to: PowerPoint for Microsoft 365 Current Channel: Version 1511 or later Semi-Annual Enterprise Channel: Version 1602 or later Multiple photos, color extraction, and facial recognition