Installing with dkstudio is easy (2 steps)
Do this for each of your downloaded files, should be easy if you kept them together and in the right order;
1: click on the patch you want to install (xxxxxxxxx.dkz) and it will automatically open it in dkstudio(dont bother with the folder 1 or any other file in the patch), dont click on it or anything you dont need to see whats inside it, or do anything other than step 2 for it to work.
2: click the apply patch in folder button(or go to), and select your dat folder in your pro evo folder:
C
Program Files\KONAMI\Pro Evolution Soccer 6\dat
3: once its done close dkstudio (u dont need to save or anything like that, its all automatic) and move onto the next file (Just do them in the right order eg patch 1, then 2 etc, last do the option file).
4: once thats all done copy copy the contents of the GDB Fix folder (uni) into the GDB folder and replace the files. then put the finished GDB folder into the kitserver directory, then copy the kitserver directory to your pro evo root directory:
C
Program Files\KONAMI\Pro Evolution Soccer 6\