Since every Windows version has a slightly different way to do it, we’d recommend you check this article.
However, before you try any of the following methods, make sure your computer’s date and time are set correctly (because incorrect date and time could also be a cause of your problem). There are many ways you can fix this problem, but we have listed only the best ones that will do the trick in no time. So, you might be wondering: what can I do to get rid of it? Well, worry not. As an independent advisor on Microsoft forum said, it’s a standard issue with those who are using the 1803 version. When we dug a little deeper, we found that it’s not the first time Windows users are facing this problem. In fact, a couple of days ago, one of our team members faced the same issue.
Microsoft introduced the Windversion a few months back and ever since its arrival many users are complaining about not being able to download apps from their PC’s Microsoft Store.