guess you were able to download it, but no able to install it ;-)
Mendix Studio pro isn't compatible with iOS. Therefore you need to have a VM with Windows running:
https://www.imore.com/how-install-windows-10-mac-without-spending-dime
An other option can be (since you are new to Mx) use studio, which is the online editor.
Hi Urooba khan,
You can refer the below link. This may be help you.
https://docs.mendix.com/howto/mobile/using-mendix-studio-pro-on-a-mac