Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To:
Microsoft account dashboard
Delete cookies in Microsoft Edge - Microsoft Support
In Edge, select Settings and more > Settings > Cookies and site permissions. Under Cookies and data stored, select Manage and delete cookies and site data > See all cookies and site data and search for the site whose cookies you want to delete. Select the down arrow to the right of the site whose cookies you want to delete and select Delete .
Switch between languages using the Language bar
In Windows 10 and Windows 8. Click Control Panel. Under Clock, Language, and Region, click Change input methods. Click Advanced settings. Under Switching input methods, select the Use the desktop language bar when it’s available check box, and then click Options. In the Text Services and Input Languages dialog box, click the Language Bar tab ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
使用 Xbox 玩云游戏 | Xbox Support
了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。
How do I connect my Xbox controller to PC? | Xbox Support
On your PC, press the Start button , then choose Settings > Devices > Bluetooth & other devices (on Windows 11: Settings > Bluetooth & devices). Turn on Bluetooth. Select Add Bluetooth or other device > Bluetooth (on Windows 11: Add device). Your PC will begin searching for your controller.
Update to the new Microsoft Edge - Microsoft Support
At the top corner of the browser, select Settings and more > Settings . To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts. To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.
Change the account used to send email messages
Change your default email account. You can change your default email account using the following steps. Select File > Account Settings > Account Settings. From the list of accounts on the Email tab, select the account you want to use as the default account. Select Set as Default > Close.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
更改屏幕亮度（Windows - Microsoft 支持
如果你没有台式电脑并且滑块未显示或不起作用，请尝试更新显示驱动程序。 在任务栏上选择"搜索"，键入"设备管理器"，然后从结果列表中选择"设备管理器"。在"设备管理器"中，选择"显示适配器"，然后选择显示适配器。长按 (或右键) 显示适配器名称，然后选择"更新驱动程序"并按照说明操作。
Contact - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Zip and unzip files - Microsoft Support
Zip and unzip files. Zipped (compressed) files take up less storage space and can be transferred to other computers more quickly than uncompressed files. In Windows, you work with zipped files and folders in the same way that you work with uncompressed files and folders. Combine several files into a single zipped folder to more easily share a ...