Your Mac Mini 2010 is a 64-bit Intel Core 2 Duo. Older Intel Core Duos are 32-bit.However, when I installed VLC 2.2.1 on a 2010 Mac Mini 2.66 with Snow Leopard 10.6.8 (which seems to work by the way, unlike one thread that said it won't work unless you're using a 64-bit Mac),