my account is linked with useless microsoft account!

And then keep showing 

WE’RE SSSSSSSORRY

We can’t find the page you’re looking for.

https://www.minecraft.net/zh-hans/redeem

I buyed a gift card and i cant access to activity it!!!

Am i was deceived?

and nowwwww i enter my code in my account, and it's said purchase the java edition already. What the hell