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Update Windows - Microsoft Support
In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:
使用系統檔案檢查程式工具來修復遺失或損毀的系統檔案 - Microsoft 支援服務
如果您執行的是 Windows 10、Windows 8.1 或 Windows 8,在執行系統檔案檢查程式之前,請先執行收件匣部署映像服務與管理 (DISM) 工具。. (如果您執行的是 Windows 7 或 Windows Vista,請跳至步驟 3.) 輸入下列命令,然後按下 Enter。. 可能需要幾分鐘的時間才能完成命令作業 ...
Connect to a Wi-Fi network in Windows - Microsoft Support
Select the Network, Sound, or Battery icons ( ) on the far right side of the taskbar to open quick settings. The Disconnected icon appears when you’re not connected. On the Wi-Fi quick setting, select Manage Wi-Fi connections . Choose the Wi-Fi network you want, then select Connect. Type the network password, and then select Next.
How do I use the Fn key/F Lock key/Alternate command keys?
Use the Fn key. On keyboards with an Fn key, hold down Fn and press the key to use the alternate commands. Tips. You can also press and hold Fn while moving your finger up and down on the navigation pad to scroll within a document. You can press and hold Fn while pressing keyboard letters M, J, K, L, U, I, O, P, /, ;, and 0 to match the ...
LEFT, LEFTB functions - Microsoft Support
Syntax. LEFT (text, [num_chars]) LEFTB (text, [num_bytes]) The function syntax has the following arguments: Text Required. The text string that contains the characters you want to extract. Num_chars Optional. Specifies the number of characters you want LEFT to extract. Num_chars must be greater than or equal to zero.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Fix Ethernet connection problems in Windows - Microsoft Support
To the right of it, select Run as administrator > Yes. At the command prompt, run the following commands in the listed order, and then check to see if that fixes your connection problem: Type netsh winsock reset and select Enter. Type netsh int ip reset and select Enter. Type ipconfig /release and select Enter.
Set up the Microsoft Authenticator app as your verification method
Select Security info in the left menu or by using the link in the Security info pane. If you have already registered, you'll be prompted for two-factor verification. Then, select Add method in the Security info pane. On the Add a method page, select Authenticator app from the list, and then select Add. On the Start by getting the app page ...
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Free up drive space in Windows - Microsoft Support
These suggestions are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. To check the total disk space left on your Windows 11 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives.
Microsoft Edge browsing activity for personalized advertising and ...
Manage your interests and ad settings. Depending on your ad settings, Microsoft will personalize the advertising you see based on other data you share with us in addition to your browsing activity. You may see ads based on your interests, favorites, location, demographic information, how you use our products, Microsoft Bing searches, and other ...