Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

If you received a digital code or card as a gift, you can either purchase another code or card to add to your account balance, or add a new credit card to your account and try making the purchase again.

Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.

Surface Pro (5th Gen) and Windows 10. Surface Pro (5th Gen) comes with Windows 10 Pro edition. If you're not sure which Surface model you're using, see Which Surface model do I have?. Diagrams of Surface Pro (5th Gen)

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

Every time you enter payment info on a website, Microsoft Edge will ask you if you want to save the card. Once payment info like credit and debit card numbers are securely stored in the browser, you don’t have to remember and enter this info each time you buy something online.

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Click the File tab, click Options, and then click the Add-Ins category. In the Manage box, select Excel Add-ins and then click Go. If you're using Excel for Mac, in the file menu go to Tools > Excel Add-ins. In the Add-Ins box, check the Analysis ToolPak check box, and then click OK.

You can use a Form control button or a command button (an ActiveX control) to run a macro that performs an action when a user clicks it. Both these buttons are also known as a push button, which can be set up to automate the printing of a worksheet, filtering data, or calculating numbers.