Here is a list of things you can try when Windows Store is not working as it should. Personally, the third method worked for me.
1. Clear Windows Store Cache
press Win + R to open the Run dialog box, type wsreset and press Enter.
The above action will open a command prompt window. At first, it might look like it got stuck and not doing anything. But be patient until the window closes itself.
2. Reset Windows Store App
Press Win + I to open the settings app. Here, navigate to "App" and then "Apps and Features" appearing in the left panel.
On the right panel, scroll down and find the app named "Store" and click on it. Now, click on the link "Advanced Options". In this window, click on the "Reset" button. If you are a...