使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Upgrade Windows Home to Windows Pro - Microsoft Support
To upgrade from Windows 11 Home to Windows 11 Pro manually, first check which edition you’re running and your activation state: Select Start > Settings > System > Activation. At the top of the Activation page, you see your edition: either Home or Pro. You‘ll also see if you’re activated under Activation state . Open Activation settings ...
View a presentation without PowerPoint - Microsoft Support
Use PowerPoint in a web browser. If you have a Microsoft account (hotmail.com, outlook.com, live.com, msn.com) or a Microsoft 365 work or school account, you can view and edit a presentation for free in a web browser. Save the file to OneDrive or Dropbox and use PowerPoint for the web to open it. If you don't already have a Microsoft account ...
适用于: Microsoft 365 专属 PowerPoint, PowerPoint 网页版, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, PowerPoint Mobile
Turn Bluetooth on or off in Windows - Microsoft Support
Do one of the following: On the taskbar, select the Network icon. Select the Bluetooth quick setting to turn it On or Off. Select Start > Settings > Bluetooth & devices, then turn Bluetooth on or off. Note: The Bluetooth quick setting only appears on your system when Windows detects a Bluetooth adapter. Open Bluetooth & devices settings.
Change or reset your PIN - Microsoft Support
Change or reset your PIN. Windows 11 Windows 10. A PIN is a user-defined set of numbers, or a combination of numbers and letters, that allows you to sign in to your Windows device instead of a password. Your PIN is securely stored on your device, it isn’t transmitted anywhere, and it isn’t stored on a server. This makes it more secure than ...
Repair apps and programs in Windows - Microsoft Support
Select Start > Settings > Apps > Apps & features. Apps & features in Settings. Select the More icon next to the app you want to fix. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available. If it isn't available or doesn't fix the problem, select Reset.
How to download and install the latest printer drivers
If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.
Use a fix-it tool with Windows 10 - Microsoft Support
Instead of fix-it tools, Windows 10 uses troubleshooters to help you solve problems with your PC. To run a troubleshooter: Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters, or select the Find troubleshooters shortcut at the end of this topic, and then select Additional troubleshooters.
VLOOKUP、INDEX、または MATCH を使って値を検索する
VLOOKUP の使用には一定の制限があります。. VLOOKUP 関数は、左から右への値のみを検索できます。. つまり、検索する値を含む列は、常に戻り値を含む列の左側に配置する必要があります。. スプレッドシートがこのように構築されていない場合は、VLOOKUP を ...
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Install Office 2010 - Microsoft Support
Insert the Office 2010 installation disc. Click Start, > Computer, and right-click in the disc drive where the Office 2010 installation disc was inserted, and select Open. Open the x64 folder in the installation root, and then double-click setup.exe. After setup completes, continue by following the default installation instructions, by entering ...
适用于: Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, OneNote 2010, Office 2010, Office.com
Create a summary of your document with Copilot - Microsoft Support
In an existing document, select the Share button. In the Share window, select the icon inside the " Add a message" compose box. Copilot will generate a summary of the document for easier sharing. Once Copilot generates the summary, you can edit it however you need. After you've shared the Word file, the email notification to your collaborators ...
适用于: Microsoft 365 专属 Word, Microsoft 365 Mac 版专属 Word, Word for iPad, Word Web App