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.
修复 Windows 中的 USB-C 问题 - Microsoft 支持
注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输,则其能够以更大的功率实现更快速充电。. 要更快地充电,你的电脑、充电器和线缆均必须符合行业标准。
Get started with eye control in Windows - Microsoft Support
Set up an eye tracking device. This guide helps you to set up and calibrate your eye tracking device for use with Windows eye control. We have tested it with the Tobii Eye Tracker 4C device; your experience with other devices might vary.
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To: Office 2019
Getting started with Microsoft Family Safety - Microsoft Support
A family group is a set of individuals connected through the Microsoft Family Safety app on their Windows, Xbox, or mobile devices. Establishing a family group is an easy, effective way to encourage healthy online habits and manage busy schedules.
Applies To: Microsoft Family Safety
What is Smart App Control? - Microsoft Support
Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.
Speech, voice activation, inking, typing, and privacy
Voice typing. In Windows 11, dictation has been updated and renamed as voice typing. Like dictation, voice typing uses online speech recognition technologies to power its speech-to-text transcription service. You no longer need to turn on the Online Speech recognition setting to use voice typing.
Complete guide to Narrator - Microsoft Support
Text recognition in images is enhanced, including handwriting recognition, and overall image descriptions are better. To experience the improved experience, navigate to any image and, while the image is in focus, execute the keyboard combination "Narrator key+CTRL+d “. . An active internet connection is necessary for this feature, and Narrator settings must have the option to obtain Image ...
Get started with PowerPoint for the web - Microsoft Support
With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.
Applies To: PowerPoint for the web
Troubleshoot Windows Media Player Errors - Microsoft Support
Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...
Microsoft Editor checks grammar and more in documents, mail, and the ...
Microsoft Editor is an AI-powered service that helps bring out your best writer in more than 20 languages, whether you are writing a Word doc, composing an email message, or posting on a website like LinkedIn or Facebook.