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Set up an authenticator app as a two-step verification method
Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.
Manage app passwords for two-step verification - Microsoft Support
If you're using your work or school account (such as, alain@contoso.com), two-factor verification, and Microsoft 365 apps in your organization, you can manage your app passwords from the Office 365 portal page. For detailed instructions, see "Create and delete app passwords using the Office 365 portal" in this article.
Get updates for apps and games in Microsoft Store
Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.
Find all your apps and programs - Microsoft Support
Learn more about how to find all your apps and programs in the all new Windows Start menu.
Deinstallieren oder Entfernen von Apps und Programmen in Windows
Deinstallieren oder entfernen Sie Apps und Programme in der Einstellungs-App.
Get apps from Microsoft Store on your Windows PC
Microsoft Store is familiar on any device—you can search for free and paid apps like Adobe Reader, view their popularity and ratings, and download them to your device. When you install an app from Microsoft Store, it will follow you to any device. Apps will also get updated automatically, so you always have the latest features.
Send feedback to Microsoft with the Feedback Hub app
The Feedback Hub app lets you tell Microsoft about any problems you run into while using Windows 11 or Windows 10. You can also send suggestions to help us improve your Windows experience.
Windows privacy settings that apps use - Microsoft Support
Learn more about which privacy settings apps can use, and how to control that access.
Fix problems with apps from Microsoft Store
Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.In Microsoft Store, select Library > Get updates.If an update for Microsoft Store is available, it will start installing automatically.
How to get and use app passwords - Microsoft Support
Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.