了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Join a meeting by phone audio. In Microsoft Teams, the Call me feature gives users a way to join the audio portion of a meeting by phone.This is useful when you're unable to use a computer for audio. Users will be able to hear and speak in the meeting through their mobile or land-line phones.

Power cycle your console by holding the Xbox button on the front of the console for approximately 10 seconds. Once the console powers down, unplug the console’s power cable for 30 seconds, and then plug the console back in. Press the Xbox button to restart the console.; If your controller still won’t connect to your console after power cycling, try connecting the controller directly to the ...

Note To use many of the Xbox features within Game Bar, including Xbox Social features, you must have the Xbox app for Windows installed. To use Xbox Social features, sign in to Game Bar with your Microsoft account. Press the Windows logo key + G to open Game Bar, choose Settings > Accounts, select Sign in, and then follow the steps.

Windows 10 usually finds devices automatically when you plug them in or turn them on. If it doesn't, follow these steps: Select Start > Settings > Devices > Bluetooth & other devices.

To change your profile picture in Microsoft Teams, click your existing profile picture and select the camera icon.

Resolution. To fix this problem automatically, run the "Fix problems that programs cannot be installed or uninstalled" troubleshooter to repair issues that block program installation or removal because of corrupted registry keys.Important To perform many of the methods and steps in this article, you must be logged on to your computer as an administrator.

Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Let desktop apps access your microphone is turned on.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery .. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.