Sign in to account.microsoft.com, then select Order History on your Rewards page.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

Microsoft .NET Framework 4.8.1 is a highly compatible and in-place update to .NET Framework 4.8. It includes native support for the Arm64 architecture (Windows 11+), accessibility improvements as well as other improvements.

了解如何更改 Windows 中显示器的刷新率，以确定在屏幕上显示运动的平滑程度。

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.