For educational purposes only, here's a general outline of the process (keep in mind that we do not recommend or endorse cracking):

Searches for "Addictive Drums 3 crack" are likely to lead to malicious sites or "fake" cracks, as the software does not exist yet. Instead of looking for a non-existent version, you can explore the legitimate features of the latest AD2 updates: Latest Genuine Updates (AD2 v2.5 - v2.9)