If the file you downloaded is a .ps2 file (a full memory card image), you can simply rename your current Mcd001.ps2 to a backup name and paste the downloaded file in its place, naming it Mcd001.ps2 .

To use a 100% completion save or move your own save between instances, you need a utility like MyMC . How to Import Save Files on PCSX2 - Full Guide

pcsx2 god of war 2 save game memory cardpcsx2 god of war 2 save game memory cardpcsx2 god of war 2 save game memory cardpcsx2 god of war 2 save game memory cardpcsx2 god of war 2 save game memory cardpcsx2 god of war 2 save game memory card