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Create a document - Microsoft Support
To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Change default programs in Windows - Microsoft Support
Use Settings in Windows 10 to change default apps and programs.
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Microsoft .NET Framework 4.7.2 offline installer for Windows
When you install this package, the following packages or updates are installed per your operating system: In Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, .NET Framework 4.7.2 is listed as an installed product under the Programs and Features item in Control Panel.
Overview of formulas in Excel - Microsoft Support
Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Delete files or folders in OneDrive - Microsoft Support
You can delete specific files or photos on Microsoft OneDrive, or you can delete entire folders and all the items in them. If you need to, you might be able to restore deleted files from the OneDrive recycle bin.
Applies To: OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Recover lost files on Windows 10 - Microsoft Support
Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.
Microsoft Defender - Microsoft
即使已开启其他防火墙,开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙,请执行以下操作:
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.
Device protection in Windows Security - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.