I’m not seeing a Buy or Purchase button in the Asset Store for items? Where would it be located? What should I select?
Maybe you are using an outdated version of Unity.
Keep your eyes open for this sentence above the asset description:
Needs Unity upgrade to version X.X.X
Screen:
Source:
http://forum.unity3d.com/threads/141792-Decal-System?p=992617&viewfull=1#post992617
Davedev, what baroni said is right if it is showing like “needs unity upgrade xxx” means u can’t see buy button. Better upgrade ur unity with latest version before buying any assets from Unity Asset store 