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Activate Office - Microsoft Support
Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program.
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Microsoft 365 管理员, Project for Office 365
Fix network connection issues in Windows - Microsoft Support
Select Start > Settings > Network & internet, then turn on Wi-Fi. Next, select More options ( >) next to Wi-Fi, then select Show available networks. If a network you expect to see appears in the list, select it, then select Connect . Open Wi-Fi settings. See if you can use the Wi-Fi network to get to websites from a different device.
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
Meet Windows 11 - Microsoft Support
Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need. Read on to get to know Windows 11.
Make and receive phone calls from your PC - Microsoft Support
To make a call on your PC: Open the Phone Link and select Calls. In the Search your contacts box, search for a contact name or number. Alternately, you can directly enter a phone number on the dial pad. Select the Dial icon to start your call. If you don't have Bluetooth available on your device (or if it's been turned off), you won't be able ...
Fix microphone problems - Microsoft Support
Here's how to do this in Windows 11: Select Start > Settings > System > Sound. In Input, select a microphone to see its properties. In Input volume, make sure the blue bar adjusts as you speak into the microphone. If it doesn't, go to Test your microphone and Start test. This will help you troubleshoot any issues with your microphone.
Change colors in Windows - Microsoft Support
Select Personalization > Colors. Open Colors setting. In the list for Choose your mode, select Dark. Expand the Accent color section, then: To have Windows automatically pick an accent color, select Automatic. To manually select an accent color, select Manual, then select the list to the right and select a color under Recent colors or Windows ...
How to check if your email address is a Microsoft account
Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address. If you see a message that says "We couldn't find an account with that username." or "That Microsoft account doesn't exist", then the address you entered is not a Microsoft account. If you believe it should be: The account may have been closed.
适用于: Microsoft 帐户仪表板
Get updates for apps and games in Microsoft Store
Get updates for apps and games in Microsoft Store. Windows 11 Windows 10 Microsoft Store. To make sure that all your apps and games have the latest updates, open the Microsoft Store and select Get Updates. Open Microsoft Store. Note: Some apps and games available in the Microsoft Store manage their own updates.
Numériser un document ou une image - Support Microsoft
L’application Scanneur Windows peut vous aider à numériser des images ou des documents et les enregistrer sur votre PC en tant que fichiers JPEG, bitmap ou PNG. Pour plus d’informations, voir Installer et utiliser un scanneur dans Windows. Obtenir un Windows Scan. Utilisez votre scanneur et téléchargez une application à partir du ...