If you are trying to from version 5 to version 12, keep in mind that newer versions use Steinberg Licensing (no dongle required), but your old version 5 license remains active on your existing USB-eLicenser. Steinberg Cubase 5 - Sweetwater
A built-in pitch-correction tool similar to Melodyne, allowing users to edit vocal intonations directly within the sample editor. Steinberg Cubase 5 DVDR AiRISO With Cubase V5 12 AIR
: A revolutionary virtual instrument for the time that allowed users to blend and mash up audio loops in real-time. If you are trying to from version 5
Integrated pitch correction for monophonic vocal recordings, similar to Melodyne. LoopMash & Groove Agent ONE: similar to Melodyne.
: Introduced integrated vocal pitch editing and correction directly within the sample editor, similar to Melodyne.