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.
Windows 11 中的节能设定 - Microsoft 支持
汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。. 可以在 Windows 11 中找到效率 设置 >系统 > 电源 & 电池 。. 有关每个电源和电池设置如何提高设备性能的引导式演练,请单击按钮打开“获取帮助”应用:. 获取帮助中的引导演练 ...
Excel help & learning
Turn your data into insights. List of all Excel functions available. VLOOKUP function. IF function. Create a drop-down list. Combine text from two or more cells. Freeze panes to lock rows & columns. Create a PivotTable to analyze worksheet data. Design the layout and format of a PivotTable.
Windows help & learning
If you're a small business owner. Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Sign in and create multiple profiles in Microsoft Edge
Select Profile, then choose Manage profile settings. Select + Add profile. Select Add. Sign in to sync data, to connect to an existing account, then select Continue. Use the slider to toggle sign in synchronization to Yes, then select Confirm. The additional profiles are now available for selection. With Edge Chromium, you can add multiple ...
Turn on app permissions for your microphone in Windows 10
Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which Microsoft apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Allow desktop apps to access your microphone is turned on.
Send feedback to Microsoft with the Feedback Hub app
Select Start , enter Feedback Hub in the search bar, and select the Feedback Hub app from the list. This launches the Feedback Hub app home page. Press the Windows logo key + F. Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads ...
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Tap or click Update and recovery, and then tap or click Windows Update. Tap or click Check now. If updates are found, tap or click View details. In the list of updates, select the update containing KB 2919355, and then tap or click Install. If you're prompted for an administrator password or confirmation, enter the password or provide confirmation.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
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 ...
Mettre à jour manuellement les pilotes dans Windows
Mettre à jour le pilote de périphérique. Dans la zone de recherche de la barre des tâches, entrez le gestionnaire d’appareils, puis sélectionnez Gestionnaire de périphériques. Sélectionnez une catégorie pour afficher les noms des périphériques, puis faites un clic droit (ou appuyez de façon prolongée) sur celui que vous souhaitez ...