AVG Antivirus Free Edition 7.1 vs 7.5

Yesterday I download the version 7.5 of AVG Antivirus Free Edition but I surprise when the version 7.5 is cann't installed on Win2k Server. Yes I think in this new version of AVF Free edition the company has a new concept of the word "FREE" :) So if you want to have the latest edition of AVG Antivirus for Win2k then you must pay it. Yes in this world nothing can be really free. Many company always release the free version just for reach more market share and to let the others people know their product & quality after that if the respons is good then they will completely paid product or they separate the free product and the paid product