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, 由世纪互联运营的 Microsoft Lync for iPhone 2013, Project for Office 365
Connect your Windows PC to an external display that supports Miracast ...
Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast. Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on. On right side of the taskbar, select the Network icon > Cast > pick ...
Sign in to Windows - Microsoft Support
From the sign-in screen, select Sign-in options. Choose the step below based on the type of account you have. For a Microsoft account, you can reset your password. Go to the reset password page and follow the instructions. If you only see the Password icon, you have either a domain (work or school) account or a local account.
使用云游戏通过 Web 浏览器免费玩 Fortnite | Xbox Support
使用云游戏通过 Web 浏览器免费玩 Fortnite. 可以通过 Web 浏览器免费玩 Fortnite，而无需 Xbox Game Pass Ultimate 订阅。. 玩游戏只需 Microsoft 帐户和 Xbox 档案以及免费且受支持的带蓝牙功能的控制器（如果需要）。. 没有受支持的控制器的玩家也可使用触摸控件。. 准备 ...
Upgrade to Windows 10 Pro - Microsoft Support
Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption
Installing Microsoft Defender - Microsoft Support
Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...
适用于:
Android 上的 Microsoft Defender, iOS 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
Change your desktop background image - Microsoft Support
You can choose your desktop background and change it at any time. Select Start > Settings > Personalization > Background. In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day). Note: If you can't select the Windows Spotlight option, your ...
Utiliser l'outil Capture d'écran pour effectuer des captures d'écran
Sélectionnez le bouton Démarrer , entrez outil capture d’écran, puis sélectionnez Outil capture d’écran dans les résultats. Appuyez sur la touche de logo Windows + Maj + S pour une capture d’image statique. Appuyez sur Print Screen ( PrtSc) pour une capture d’image statique. Appuyez sur la touche de logo Windows + Maj + R pour une ...
更改屏幕亮度（Windows - Microsoft 支持
选择任务栏右侧的操作中心，然后移动"亮度"滑块 以调整亮度。 (如果滑块不存在，请参阅下面的备注部分。) 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。 若要了解你的电脑是否支持此功能，请选择"设置>"> 显示"。 在“亮度和颜色”下，查找“在照明条件更改时自动更改亮度 ...
Product keys for Windows - Microsoft Support
A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow. Windows 11 and Windows 10: In most cases, Windows 11 and Windows 10 activates automatically using a digital license and doesn’t require you to enter a product key ...