Richard, AVG products that are actually available for Mac OS (http://www.avg.com/ww-en/for-mac).
AVG Guru
why can't i download my product AVG internet security to my mac air book this is my third computer and the other two are windows but I should be able to use it across platforms... please advise RT
HI Richard, I will help you with the issue, AVG Internet security is only compatible with Windows Os, it cannot be installed in MAC , please download our free Anti Virus for MAC by using this link http://www.avg.com/us-en/for-mac ,please let us know if you face any issue. Thank you