Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.
Change your browser home page - Microsoft Support
Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.
Change or reset your PIN - Microsoft Support
Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.
Keyboard shortcuts to add language accent marks in Word and Outlook ...
Learn how to use keyboard shortcuts in Word to add accent marks, special characters, symbols, and more.
Applies To: Word for Microsoft 365, Outlook for Microsoft 365, Word 2021, Outlook 2021, Word 2019, Outlook 2019, Word 2016, Outlook 2016
Fix touchpad problems in Windows - Microsoft Support
Things to try to fix touchpad problems in Windows 10 and 11. If your touchpad isn’t working, it may be a result of a missing or out-of-date driver.
Install Office updates - Microsoft Support
Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, InfoPath 2013, InfoPath Filler 2013
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
了解在 Windows 中查找 BitLocker 恢复密钥的不同方法,并了解如何在系统上激活 BitLocker。
How to install the latest version of DirectX - Microsoft Support
Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.
Get the latest Windows update - Microsoft Support
Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.
Media Feature Pack for Windows 10/11 N (September 2022)
Summary. This update provides support for media features in Windows 10/11 N. These include media-related technologies (Windows Media Player) and certain pre-installed media apps, such as Movies & TV, Voice Recorder, and Skype.