Protools 10 on OS X yosemite

this is probably any old 1 now but ive just switching from Pc to mac.

Im trying to install protools on Yosemite ...both of the installers 10.3.9 & 10.3.10 wont install.

Error message an incompatiable OS was found Protools 10.3.9 & 10.3.10 requires mac OS X version 10.7 or higher.

any help

Protools 10 on OS X yosemite