Upgrading from Classic to Apex

Hello,
Sorry if it was asked but I have tried to search and couldn't find it.
If I upgrade from the classic to the Apex, will I have to reprogram everything, or could back up classic/restore option will be available?

Thank you in advanced.

https://forum.neptunesystems.com/sho...Apex-or-ApexEL

Thank you for pointing me to the guide.