Java is a prerequisite for installing BSF4ooRexx.
Check if Java is installed. (Do not know how? Test in browser or do a manual check)
Java is installed? Great! Continue with the next section "ooRexx".
Java is not yet installed?
Install Java
Check if ooRexx is installed. (Do not know how? Open a terminal window (how?) and enter "rexx -v". If ooRexx is installed, some information about the installed version will be displayed. Otherwise it is not installed.)
ooRexx is installed? Great! Continue with the next section "BSF4ooRexx".
ooRexx is not yet installed?
Install ooRexx
Java and ooRexx should be installed now. Continue here