upgrade four

[madwolfproductions]

does one have to deactivage Zbrush 3.5 inorder to get the upgrade.

[The Namek]

no

[madwolfproductions]

So upgrade four is a complete new animal and I can delete the old 3.5 file. I have the hard disc of version 3.5, so I guess that will never be used again. I would like a back disc incase I have to reformat my computer..