1. Install the program, CST Studio Suite and Opera do not run it.
2. in notepad, edit the first line of the license.dat file,changing localhost ANY to the real hostname and hostid of your computer.(find your id on lmtools)
3. copy the files CST2020_Patch.bat, cstpatcher11.exe and sfk195.exe to the folder with the installed program(default is C: / Program Files (x86) / CST_STUDIO_SUITE_2020).
4. Run CST2020_Patch.bat and wait for the end of its work.
5. run the program, the LicenseWizard will start,which should specify the path to the license file to configure the license server.
6. run the program again, specify the host name and port number of the license server and work, having at their disposal version 2020 programs CST Studio Suite, FEST3d, SPARK3d and IDEM.

note:in case the patch dosnt work need do it manually
1)open the cmd and run it with adminstrator right and type this in cmd type the path for example: cd C:\program files(x86)\CST Studio Suite 2020  ( change the letter in case your drive have diffrent)
2)copy the files on C: / Program Files (x86) / CST_STUDIO_SUITE_2020
3)open the CST2020_Patch and copy the first 3 command with the right order on cmd you have open and run them then 
-run inside the installation folder the cstpatcher11.exe follow the other steps 5-6
4)in case you have installed opera run it and choose CST Suite License and add the same license name server