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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Windows help & learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Use the SUM function to sum numbers in a range - Microsoft Support
You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM (A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
How to redeem gift cards and codes | Xbox Support
How to redeem a code on Xbox Series X|S and Xbox One. Press the Xbox button to open the guide, and then select Store. Press the View button to open the side menu, and then select Redeem. Enter the 25-character code, select Next, and then follow the prompts.
Receive Remote Assistance Support from Microsoft
Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: Agreement for Microsoft Services. Microsoft Software License Terms.
Sign in to Xbox | Xbox Support
Follow the on-screen instructions to enter the sign-in info for your account. If you aren’t sure which email address is the right one to use for signing in, or if you can’t remember your password, see these resources for help: Find your Microsoft account email address.
Use the Microsoft Wireless Display Adapter - Microsoft Support
The Microsoft Wireless Display Adapter is a strong, reliable way to project your content, photos, and videos to a big screen. Before you begin. Identify your wireless display adapter model. Check which devices are compatible with your adapter. Set up your adapter. Connect the adapter to your display. Connect to your adapter from your Windows PC.
SharePoint にサインインする - Microsoft サポート
SharePoint にサインインする. SharePointは、次のように、Web ブラウザーを介して接続するブラウザー ベースのアプリです。. [office.com] に移動し、職場または学校アカウントにサインインします。. ウィンドウの左上隅で、 [ すべての アプリ] > > アプリ起動ツール ...
Applies To: SharePoint in Microsoft 365
PC Game Pass FAQ | Xbox Support
The PC Game Pass plan gives you access to a set of high-quality PC games on Windows 10/11 devices. The best way to experience PC Game Pass is in the Xbox app for Windows, available for download from the Microsoft Store or at: Xbox app for Windows.
Sign in to SharePoint - Microsoft Support
Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: 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.
Applies To: SharePoint in Microsoft 365