ensahzoro
Steam is the only way
https://plutonium.pw/docs/install/
mw3
https://store.steampowered.com/agecheck/app/115300/
bo1
https://store.steampowered.com/agecheck/app/42700/
bo2
https://store.steampowered.com/agecheck/app/202970/
waw
https://store.steampowered.com/agecheck/app/10090/?l=spanish