Download OS X Mavericks from Purchased Tab is impossible

[JohnnyZer0]

Hey guys! Let's get straight into it. I had a 2013 MacBook Air and I got the OS X Mavericks installer from the App Store that day. Now I have a 2015 MacBook Pro and I can't download Mavericks from the Purchased tab because it says:
We could not complete your purchase.
OS X Mavericks cannot be installed on this computer.
I don't even want to install it on this computer because it is a legit Mac. How can I bypass this and get a Mavericks image to make a bootable installer.

Maybe some of you guys can give me an image because I can show proof I have that in purchased tab.

Thanks in advance!

 

[Going Bald]

If you have downloaded it before then you should be able to download it with your PC-Mac instead of the MBP.
Just boot your Gigabyte system, log into the app store and see if it is available in your purchased screen.
It is not mandatory that you use a real Mac to download the OS.