Would you please let us know which version of Painter Essentials 3 you have?
You can find the version number by going to where you installed Painter Essentials 3. The default path would be C:\Program Files\Corel\Corel Painter Essentials 3. Right click on 'Corel Painter Essentials 3.exe'. Click 'Properties' on the right click menu and click on the Version tab in the Properties dialog. It should be a number like 188.8.131.52.