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.
Set up dual monitors on Windows - Microsoft Support
If you don't see the monitors, select Multiple displays , then Detect. Use the dropdown list next to the image of your desktop to choose how your screen will project across your displays. Once you've chosen your setup, select Apply .
Get to know Game Bar on Windows | Xbox Support
Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对使用。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Find my downloads in Windows 10 - Microsoft Support
To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E.
Trouver votre clé de produit Windows - Support Microsoft
Si vous avez acheté Windows 10 ou Windows 11 Professionnel mise à niveau dans l’application Microsoft Store, vous recevrez une licence numérique au lieu d’une clé de produit dans l’e-mail de confirmation envoyé pour confirmer l’achat.
Applies To: Microsoft account dashboard
Change or reset Internet Explorer settings - Microsoft Support
If Internet Explorer won't open, or pages won't load... If Internet Explorer won’t open, or if pages aren’t loading, there may be an add-on that is interfering with the process. To tell whether this issue is with an add-on or not, you can try the following: Find your processor speed. Select Start > Settings > System > About.
Choose which OneDrive folders to sync to your computer
If you don't want to sync all of your folders in OneDrive to your computer, you can use the OneDrive app for Windows and macOS to select which folders you'd like to have visible in File Explorer or Finder.. When viewing Windows or Mac via a web browser or mobile app, you will always see all your folders.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Office for business, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
修复 Windows 中的蓝牙问题 - Microsoft 支持
如果上述步骤都不能修复你的蓝牙问题,请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。
Reactivating Windows after a hardware change - Microsoft Support
If you don't have a digital license or product key. If you don't have a product key or digital license, you can purchase a Windows 10 digital license after installation finishes. Follow these steps to make a purchase: Select the Start button, then select Settings > Update & Security > Activation .
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
注意: 无线显示应用在运行 Windows 11 版本 22H2 及更高版本的设备上可用。如果运行的是早期版本的 Windows,请在任务栏的搜索框中输入 “连接”,然后在结果列表中选择“连接”,从而启动 “连接” 应用。 若要了解正在运行的 Windows 版本,请参阅 我运行的是哪个版本的 Windows 操作系统?