4) Wait for doownload to begin and then unzip the files. Once this is done then just run Desmume and open the B or W rom and begin playing :D
*NOTE these roms DO have the patch that fixes EXP problems and they are both in English.
Post any questions below and I will gladly help! :)
Also, all I ask in return is that you give the video a thumbs up if it worked for you! You know that you always judge download videos by the number of thumbs up so make sure you let others know it worked :D