Why can't I download Minecraft Windows 10 edition?

I recently installed Windows 10, and I found out I could get Minecraft Windows 10 edition for free, so I got the code, now it's ready to install.
But whenever I try to install it, it says 'Well, this is embarrassing'. When I click on 'See details' it says that it can't find the app.
I've clicked on retry many times and it keeps saying the same thing.
Now it's downloading 84 mb when the game is only 74 mb.
Can someone please help?

Read more: Why can't I download Minecraft Windows 10 edition?