It's downloaded, but the DMG file wont open! HELP!

[Luusium]

Its come with two files
1. PlaneshiftCB_v0.3.11.dmg
2.PS_Install

which do i use to install it?

If i click on the dmg file, it wont open. If i click of the PS_Install file it comes up with Planeshift3D file and a read me file! and when i click on the Planeshift3D file other stuff come up like art and data and docs! what do i do now?

If this is useful, i downloaded it from mirror 3, i\'m working on a PowerPC G4 !

Please help!!!!

[Cha0s]

Welcome. Please read stickies before posting and please SEARCH. How to get Planeshift running has been discussed many times over. The most detailed method is described in the Guide. Please put a little effort into finding the solution on your own before making a repetitive thread. Thank you; now, iLock.