Place GameData folder in this zip-archive in your KSP install directory. Now start your game and enjoy PartTweaks!
If you are upgrading from version 0.3 or lower, you also have to download following patch to restore overwritten part configs (Or just use your safety-copy of Squad folder...):
http://kerbal.curseforge.com/projects/parttweaks/files/2287522/download
http://spacedock.info/mod/392/PartTweaks/download/pre0.4_PATCH


This mod is experimental and work in progress. Please announce any bugs or ballancing problems!
http://kerbal.curseforge.com/projects/parttweaks