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Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To: Microsoft account dashboard
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
Screen mirroring and projecting to your PC or wireless display
You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
Set File Explorer to open to This PC instead of Quick Access
Windows 11 Windows 10. By default, File Explorer opens to Quick access, renamed to File Explorer Home in Windows 11, Version 22H2. We recommend Home as your landing page in File Explorer, where you can: Access your most recent and favorited Office.com files quickly.
Which version of Windows operating system am I running?
Find operating system info in Windows 11. To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.
Contact Us - Microsoft Support
Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Upgrade Windows Home to Windows Pro - Microsoft Support
Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.
OneDrive を開き、ファイルをアップロードする - Microsoft サポート
OneDrive を開き、ファイルをアップロードする. OneDrive には、300種類のファイルを保存できます。. セキュリティで保護されており、ブラウザー、モバイルアプリ、Mac、Pc で利用できます。. Office ドキュメントでは、Office を使っているかどうかに関係なく、他 ...
Applies To: OneDrive (work or school)
Find your Office product key - Microsoft Support
Find your Office product key. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.