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Turn Windows Security on or off - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Sign in to SharePoint - Microsoft Support
Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint. For more information, see Where to sign in to Microsoft 365 . Note: Images in this Quick Start depict the Modern experience unless otherwise indicated.
适用于: Microsoft 365 中的 SharePoint
KB5005463PC Health Check Application - Microsoft Support
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.
Insert a check mark symbol - Microsoft Support
You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that you can click to check or uncheck, see: Add a check box or option button (Excel) or Make a checklist in Word. In your file, place the cursor where you want to insert the symbol.
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016
使 Windows - Microsoft
更改应用程序的高 DPI 缩放模式 在“高 DPI 缩放替代”区域中,选中“覆盖高 DPI 缩放行为”,然后再尝试使用以下选项之一: 应用程序 – 禁用所有的 Windows 缩放设置,并仅使用应用开发人员的设置。 在先前版本的 Windows 中,此选项被称为“高 DPI 设置时禁用显示缩放”。
Fix printer connection and printing problems in Windows
Check the cables (for wired printers). Make sure that the printer's USB cable is properly connected from the printer to your PC. If your USB isn’t recognized, see Automatically diagnose and fix Windows USB problems. Check the wireless connection (for wireless printers).Do one of the following:
Improve my PC performance in Windows - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Install Office 2007 - Microsoft Support
Important: Office 2007 is no longer supported. Learn how to upgrade to a newer version.If you still need to install this version, you'll need an Office 2007 installation disc and a product key for the version you're trying to install.
适用于: Office 2007
Fix network connection issues in Windows - Microsoft Support
Try these things to troubleshoot network connection issues in Windows 11. Make sure Wi-Fi is on. Select Start > Settings > Network & internet, then turn on Wi-Fi.Next, select More options (>) next to Wi-Fi, then select Show available networks.If a network you expect to see appears in the list, select it, then select Connect. Open Wi-Fi settings
Windows ...
マルウェアを削除しようとしている場合は、「Windows セキュリティで保護された状態を維持する」を参照して、スキャンを実行する方法を確認してください。 別のウイルス対策ソフトウェア プログラムを使用している場合は、そのプログラムのウイルス対策オプションを確認してください。