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.
App permissions - Microsoft Support
Here's more info on what permissions allow an app to do: Access all your files, peripheral devices, apps, programs, and registry: The app has the ability to read or write to all your files (including documents, pictures, and music) and registry settings, which allows the app to make changes to your computer and settings. It can use any peripheral devices that are either attached or part of ...
如何安装最新版本的 DirectX - Microsoft 支持
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。
Uninstall Office automatically - Microsoft Support
After you restart your computer, the uninstall tool automatically re-opens to complete the final step of the uninstall process. Follow the remaining prompts.
Defragment your Windows 10 PC - Microsoft Support
Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag.
Fix Wi-Fi connection issues in Windows - Microsoft Support
If you can’t connect to a Wi-Fi network that you could connect to before, it’s possible that the network settings might have changed or the profile is corrupted. To fix this, remove (or "forget") the network connection, then reconnect to the network. When you forget a network connection, it removes the Wi-Fi network profile from your PC. ...
Change mouse settings - Microsoft Support
To speed up the process of selecting a choice when a dialog box appears, under Snap To, select the Automatically move pointer to the default button in a dialog box check box.(Not all programs support this setting. In some programs, you'll need to move the mouse pointer to the button you want to click.)
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.
Erstellen eines Installationsmediums für Windows - Microsoft-Support
Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.
使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 vlookup、hlookup 和其他函数(如 index 和 match)根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup,然后链接到更多内容。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Add an email account to Outlook for Windows - Microsoft Support
Outlook won't accept my password. If you've forgotten the password for a Microsoft account, user our sign-in helper to get back into your account.. If you know you’re using the correct password for your email account but Outlook won’t accept it, you might have an email account that requires additional security.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows