Publish your Windows app to the Microsoft Store
Below are the steps you need to follow to submit your PWA's Windows app to the Microsoft Store.
1. Navigate to the Apps and Games section in the Partner Center Dashboard.
2. Select the listing you created earlier from your app list.
3. Click the Start your submission button on the next page.
4. You’ll have to complete each section to publish your PWA to the store, but for now, select the Packages section.
5. Drag and drop both of the packages you downloaded (.msixbundle and .classic.appxbundle) or use the file browser option.
6. Click Save.
7. Your packages are successfully associate with your submission! Complete the rest of the details for your submission and click Submit to Store when you are ready to have your PWA reviewed.
It usually takes 24 to 48 hours for your app to be reviewed, after which, it will be available on the Microsoft Store.
If you want to view information about the status of your app, you can check through Partner Center at any time. This will be your go to spot for interacting with your listing.
After submitting your packages, you may see Package validation acceptance warnings about restricted capabilities (such as runFullTrust and packageManagement). These warnings can be safely ignored.