You can upgrade from 3DCoatTextura to 3DCoat only if you own a permanent 3DCoatTextura Company license.
In this case, if you represent a company looking to obtain a 3DCoat permanent license, we have the following solution for you:
ONE TIME PAYMENT UPGRADE > You can make a one-time-payment upgrade from 3DCoatTextura to 3DCoat at the price which is a difference between the regular prices on 3DCoat and 3DCoatTextura for companies. Pay once and get a permanent 3DCoat license that you can use as long as you wish. With the purchase, you get 12 months of free program updates. Following those 12 months, you can buy the upgrade to the latest version according to the LICENSE UPGRADES POLICY FOR 3DCOAT AND 3DCOATTEXTURA in the menu on the left.