When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Most software that you buy directly from Microsoft, like Office, Windows, and Xbox games, comes as a digital download that you can download, install, or reinstall.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

Website notifications appear in the lower right corner of your screen and are also displayed in the Notification Center.When notifications are turned on for a website, they will still appear even if Microsoft Edge is closed.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)

Note: If you see the icon next to the On/Off toggle for an app, you can select it to see the registry location that contains the path for the app. Apps installed through Microsoft Store (.MSIX apps) don’t have these icons. If you select the icon for these apps, File Explorer opens and highlights the executable file.