1) Download the Deactivator from the link given below:


Deactivator
TC Deactivator 32-bithttp://downloads.imsidesign.com/TC2019/builds/License/deactivate_TC2019_x32.exe
TC Deactivator 64-bithttp://downloads.imsidesign.com/TC2019/builds/License/deactivate_TC2019_x64.exe


2) You will get a zip file in the downloads folder. Use Winrar software to extract the file by right clicking file and selecting "Extract to deactivate_TC2019_x64\"


3) A folder will be created. Open it and Run the setup file.


4) Press Clear License button


5) After pressing the button you will see the following dialogue



You can install the program again and enter the keys provided to you on purchasing the specific variant. Correct Variant will be installed now.