Debugging my struts 1 application

How to Debug my Struts Application + tomcat + myeclipse 4.0?

I have down loaded plugin from sysdeo.

I have unzipped the file i m not getting where to copy the unzipped file?
Do i need to copy the whole unzipped folder to that destination?

Help me professionals.

If this is an IDE question, I'll move it to the IDE forum.

If it's an Eclipse plugin (you don't actually say) then it should be installable like any other. Or you could follow its installation instructions.