Main Topaz Photo [Windows]

Hoping someone can help...

Can you explain what this means?
1. It is recommended to restore the patched files to their original state in the program folder (default: C:\Program Files\Topaz Labs LLC\<ProductName>). I can find the folder, but I don't know how to restore the patched files.

2. It is recommended to delete the .lic license files in the program’s models folder (default: C:\ProgramData\Topaz Labs LLC\<ProductName>\models), since the proxy DLL generates the license files automatically. I don't see a .lic file in the models folder.

When I installed and tried to sign in, I got an error with license server alert. I do have topaz photo version 4.1 already on my computer that I use. Do I need to delete it first?

Thanks!