OS requirement
I have a 2011 Apple lap top that currently has Mac OS X Lion 10.7.5.
I want to buy "I Bank" software and it needs Mac OS X 10.9 (Maverick) or 10.10 (Yosemite)
What do I do?
MacBook Pro, Mac OS X (10.7.5)
You can download Yosemite using the App Store app.