In addition to what Jim said about Chirp, OS X can now be upgraded even if you have a used system.  Apple made this easier a few versions ago.  I have two refurbished Macs and they both have version 10.11 (El Capitan).  There are some limitations in what versions of hardware can run what versions, however.

Bob, N7XY

On 7/15/16 8:21 AM, John Benson wrote:

I am having a really difficult time trying to use Chirp. I moved from a Windows based program to MAC. The Operating system is X 10.7.5. 

Since this is an used system, I found out in hindsight I am not able to upgrade the software. I noticed Chirp is requiring OS X 10.8. (or latest version).

Can anyone provide any insight as to an earlier Chirp version that I can use with this system. This is my first MAC system, I am learning via School of hard-knocks, which is proving challenging to say the least!  

Thanks in advance, John B. (KB3YWN)

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