Installing Catalina 10.15.3 on a 2008 Macbook Pro?

Hi guys, I have a old MacBook Pro - a 12 years old 2008 machine!
Even though its old and has a Core2Duo CPU it can still run Catalina. If you have a old Mac, you can probably do the same!

https://www.youtube.com/watch?v=kB-cblOpYcQ&t