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How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
Upgrade Windows Home to Windows Pro - Microsoft Support
To upgrade from Windows 11 Home to Windows 11 Pro manually, first check which edition you’re running and your activation state: Select Start > Settings > System > Activation. At the top of the Activation page, you see your edition: either Home or Pro. You‘ll also see if you’re activated under Activation state . Open Activation settings ...
Fix sound or audio problems in Windows - Microsoft Support
If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.
Sign in to SharePoint - Microsoft Support
Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. 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.
Applies To: SharePoint in Microsoft 365
Configure Windows Hello - Microsoft Support
In the Settings app on your Windows device, select Accounts > Sign-in options or use the following shortcut: Sign-in options. Under Ways to sign in , you have three choices to sign in with Windows Hello: Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera.
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.
Applies To: Microsoft account dashboard
Microsoft Edge 帮助和学习
如果你是小型企业所有者. 通过 Microsoft 365 查找构建、运行和发展小型企业所需的信息。. 访问小型企业帮助和学习. 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。.
Overview of formulas - Microsoft Support
A 3-D reference includes the cell or range reference, preceded by a range of worksheet names. Excel for the web uses any worksheets stored between the starting and ending names of the reference. For example, =SUM(Sheet2:Sheet13!B5) adds all the values contained in cell B5 on all the worksheets between and including Sheet 2 and Sheet 13.
Applies To: Excel for the web
IF function - Microsoft Support
The IF function is one of the most popular functions in Excel, and it allows you to make logical comparisons between a value and what you expect. So an IF statement can have two results. The first result is if your comparison is True, the second if your comparison is False. For example, =IF (C2=”Yes”,1,2) says IF (C2 = Yes, then return a 1 ...
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
Use Snipping Tool to capture screenshots - Microsoft Support
There are four ways to open Snipping Tool: Select the Start button, enter snipping tool, then select Snipping Tool from the results. Press Windows logo key + Shift + S for a static image snip. Press Print Screen ( PrtSc ) for a static image snip. Press Windows logo key + Shift + R for a video snip.