We have just released a new Origin version which addresses the issue where some players would be told they didn't have a Mac OS version that met the system requirements (10.7.5 and above) even when the requirements were met.
To get this version of Origin perform the following steps.
Select Origin>Application Settings
Under GENERAL ensure "Origin Beta Participation" is checked
Restart your Mac
Load Origin and it should automatically update
Please post in this thread if you continue to get the OS version error after updating Origin.
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