Gpredict Upgrade

Hi all,
i am using a livedCD with Ubuntu that has a version 1.3 of gpredict.
Pleasa as i am not so good in Linux anybody can tell me which is or which are the command or the commands to upgrade it?
Thanks
73’s de Enzo IK8OZV

A CDROM is by definition a read-only media so you have to install Ubuntu on the hard drive if you want to be able to upgrade the packages. Also, note that Ubuntu 20.04 and later have a very recent version of gpredict, so your live CD must be rather old.

Yes i forgot to say that i have already installed the Live on the Hard disk and
now i would like to update the gpredict.
Thanks
73’s de Enzo IK8OZV