When JMobile Studio or PC Runtime is registered on-line a license file is downloaded from Exor License Server to PC hard disk.
If the registration is done while off-line, then the license file will be provided to you via e-mail and it will be necessary to copy the file manually into the right location on pc.
This FAQ will help you on finding license file repository.
JMobile Studio and PC Runtime license files are a text file with extension ".lic" and can be found under:
or under:
where:
JMobile Studio
Jmobile PC Runtime