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Tips to improve PC performance in Windows - Microsoft Support
Learn how to improve Windows PC performance if your device is running slowly.
About Microsoft Authenticator - Microsoft Support
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.
适用于: Microsoft 帐户仪表板
Burn and rip CDs - Microsoft Support
Learn how to rip (copy) and burn (create) CDs and data DVDs using Windows Media Player.
Troubleshooting black or blank screens in Windows
If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.
Beheben von Sound- oder Audioproblemen in Windows
Erfahren Sie, wie Sie Sound- oder Audioprobleme in Windows beheben.
Change your app recommendation settings in Windows
Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.
Insert a signature - Microsoft Support
How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.
适用于: Microsoft 365 专属 Word, Microsoft 365 Mac 版专属 Word, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Combine text from two or more cells into one cell
How to combine text or data from two or more cells into one cell in Excel.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Mobile
Windows - Microsoft
Windows 7, Windows 8.1 또는 Windows 10을 설치하거나 다시 설치하기 위해 설치 미디어 만드는 방법을 알아보세요. 설치 미디어(USB 플래시 드라이브 또는 DVD)를 사용하여 Windows의 새 복사본을 설치하거나, 새로 설치를 수행하거나, Windows를 다시 설치할
Microsoft 365 Family - Microsoft Support
Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.