Windows 8.1 support ended on January 10, 2023
PCs originally built with Windows 8.1 are designed with technology that is about 10 years old. Once you move to a new PC, there will be many aspects of Windows that you will find familiar, but also with important software and hardware innovations and capabilities that were not available a decade ago.
End of support for Cortana - Microsoft Support
We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.
RAND function - Microsoft Support
=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
HYPERLINK function - Microsoft Support
This article describes the formula syntax and usage of the HYPERLINK function in Microsoft Excel.. Description. The HYPERLINK function creates a shortcut that jumps to another location in the current workbook, or opens a document stored on a network server, an intranet, or the Internet. When you click a cell that contains a HYPERLINK function, Excel jumps to the location listed, or opens the ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
Microsoft Edge 帮助和学习
获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。
Microsoft Edge 도움말 및 학습
Microsoft Edge에 대한 도움말 및 지원을 받으세요. Microsoft Edge 지원 콘텐츠, 방법 문서, 자습서 등을 찾아보세요.
Manage add-ons in Internet Explorer 11 - Microsoft Support
The risks of installing add-ons. While add-ons can make your browsing experience better by giving you access to great web content, some add-ons can pose security, privacy, or performance risks.
Battery saving tips for Windows - Microsoft Support
Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep.For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .Clear the Change brightness automatically when lighting changes or the Help improve ...
プログラムのインストールまたは削除がブロックされる問題を解決する - Microsoft サポート
プログラムのインストールとアンインストールのトラブルシューティング ツールを使用すると、プログラムのインストールまたは削除がブロックされたときに、問題を自動的に修復できます。
Microsoft PC accessories help & learning
Get expert help, training, and support for your Microsoft PC accessories with easy access to resources and guidance.