Cod 6 install but cod 4 delete

hey people
I have a big problem
I have installed cod 4 but I was at 50% of the installation and I've pressed cancel and then I thought I Install but no more because I had forgotten that I have but now cod 6 is half the cod in my PC system in me / 'cn' I want laws to which he is to delete those files to make more disk space

Dont rly understand what you are saying but if you want to delete cod 6 got to: programfiles, steam, steamapps, common, cod6 and delete the folder

i dont mean that
i have 50% of the cod 4 in my pc and i need to delete that totally