Windows 10 Store not letting me do anything!!

Basically my Lenovo Windows 10 PC store has broken on itself.
I have signed in only on store as I just can't be bothered to sign up for everything.
I am trying to download Minecraft Win 10 Trial, but this isn't letting me. It's turning grey and when I check in search it is not there.
Also, this is my updates.(They are frozen which I think is the problem)
Store 39.7MB or 39.7MB
Microsoft(dot)net Native... Installing
Mail and Calender.
Please help,

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