Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

沉浸式阅读器中的文本首选项. 从各种文本和颜色选项（如文本大小、文本间距和页面主题）中进行选择，以增强沉浸式阅读器体验。. 从沉浸式阅读器工具栏的文本首选项中查找这些设置。. 文本大小：在“ 文本大小”标签下，向右移动滑块以使文本更大;将其向左移动，使文本变小。

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac.

从标准页眉或页脚列表中进行选择，转到“页眉”或“页脚”选项的列表，然后选择所需的页眉或页脚。 或者通过选择“编辑页眉”或“编辑页脚”来创建自己的页眉或页脚。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Microsoft 365 for business. If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.