While V20.04 can install on Windows 10, you must run the installer as Administrator and disable UAC (User Account Control) temporarily. Rockwell officially "Tested" V20.04 on Windows 10, but did not "Certify" it until later patches.
Open C:\ProgramData\Rockwell Automation\FTA\ and ensure the ftastrtr.exe service is running. Re-sync your host ID with the license file using the FactoryTalk Activation Manager . Rslogix 5000 Version 20.04 Download