To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

Information. Windows can download high-resolution icons for many hardware devices that you connect to your computer, along with detailed information about them, such as product name, manufacturer, and model number—even detailed information about the sync capabilities of a device.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

Learn how to download, install, and use the PC Health Check app to check your device's compatibility with Windows 11 and get tips to improve its performance.

使用 Windows 设置应用更改桌面背景和颜色。

To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

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Word marks spelling, grammar, and stylistic issues with an underline. Control-click the word or phrase and choose one of the options. If Word incorrectly underlined a word as misspelled and you want to add that word to your dictionary so that Word will properly recognize it in the future, see Add or edit words in a spell check dictionary. If spelling or grammatical errors aren't underlined ...

Setting up the modem and Internet connection. After you have all the equipment, you'll need to set up your modem and Internet connection. If your modem wasn't set up for you by your Internet service provider (ISP), follow the instructions that came with your modem to connect it to your PC and the Internet.

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