ill make for u a detailed tut:
1. download EAM and the playerstats files
2. extract
3. go to the map where the playerstats files are.
4. choose one and copy it
5. paste in the map where EAM is and rename that playerstats file to playerstats
6. now there are 2 ways:
-1 launch EAM, then MW2, then ALT+TAB then klick import stats, close EAM, go back to mw2 and play a round.
-2 launch EAM, then klick auto import stats, then lauch mw2, then alt+tab and close eam, go back to mw2 and play a round
hope this helps