Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Change default programs in Windows. Windows 10 Windows 11. Windows 11 Windows 10. Select Start > Settings > Apps > Default apps. To change the default app, you can do either of the following: Set a default for a file type or link type.

Connect family members' devices. Set family organizers. How Microsoft stores and maintains your search history. Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

使用 SUM 函數來加總範圍中的數字. Microsoft 365 Excel Excel 網頁版 更多... 您可以使用 簡單的公式加總 範圍中的數位， (一組單元格) ，但使用多個數位時，更容易使用 SUM 函 數。. 例如與 =A2+A3+A4+A5+A6 相比，=SUM (A2:A6) 較不容易輸入錯誤。. 以下公式使用兩個儲存格 ...