lates version

Guys I have 8 years old zent cart and I just donwload the new version and aply the pacht so now I have a old store and a new one.
My question is how I transfer all data pictures folders zipfiles to the new zent cart I just install in my server I used the old database for the new one but I don't see any data been trasfer.

Is that posble can I used database from the old zent cart in the new one.?