As I can see you already have 4.2.3 version of Core plugin and the latest version of the theme 8.2.3. So my question is do you want to get demo content of Car parts and any other demo version on your site ? https://prnt.sc/mm1AuLw-tpAw https://xstore.8theme.com/
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.