From your Finder menu select GO while holding down the option key (ALT)
User’s Home Folder/Library/Application Support/ViscosityVPP_smrhosting/UserData/
or (depending on the version)
User’s Home Folder/Library/Application Support/ViscosityVPP_liquidvpn/UserData/
and pasting the new license.lic into this directory
You may need to unhide your USERS HOME FOLDER. Many new versions of Mac will only show the SYSTEM home folder.