How can i convert VBFlex6 to VBFlex8 ?

First of all, I ask for your understanding because my English is poor.

I've got an old VB program made of vbFlex6 from my superior. but I use Window10 and need to convert vbFlex6 to vbFlex8.
Could you tell me How convert vbFlex6 to vbFlex8 in details?
I mean I want to know the process of the convert in very great detail


Thank you for reading it.