Is Toon Boom 4.5 Still supported?

Hi, I am new to toon boom, and so I bought version 4.5 since it’s way cheaper! So I wanted to know if this version has mainstream support for tutorials and such? If not, is there a community website to learn 4.5?

You could always check out YouTube. There are a number video tuts specifically for TBS 4.5, such as this one, for example: