使用 Windows 设置应用更改桌面背景和颜色。

Microsoft Edge can't show a print preview when the built-in PDF viewer is missing. To resolve this issue, try the following options: Option 1: Retry printing. Click Cancel if the Print dialog is still open.

Important: You shouldn’t rely on the Private feature to prevent other people from accessing the details of your appointments, contacts, or tasks. To ensure that other people can’t read the items that you marked as private, don’t grant them Reviewer (can read items) permission to your Calendar, Contacts, or Tasks folder.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Country/region. Microsoft Store sales support. Technical or download support. Bangladesh. 877-642-0419. Technical support. Brunei +673 1 800 6738. Technical support

Numbers don't need to have quotation marks. Words are jumbled together. Without designated spaces between separate text entries, the text entries will run together. Add extra spaces as part of the CONCATENATE formula. There are two ways to do this: Add double quotation marks with a space between them " ".

If you don't have PowerPoint installed on your computer, you can still open and view presentations by using PowerPoint for the web or PowerPoint on your mobile device. Use PowerPoint in a web browser. If you have a Microsoft account (hotmail.com, outlook.com, live.com, msn.com) or a Microsoft 365 work or school account, you can view and edit a ...

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Windows 10 と Windows 11 でユーザー アカウントを追加する方法について説明します。 アカウントを使用すれば、各ユーザーが個別のファイル、ブラウザーのお気に入り、プライベート デスクトップを持つことができます。

Erfahren Sie, wie Sie einen Windows-Product Key für die Aktivierung finden und wann Sie stattdessen eine digitale Lizenz verwenden.