forget my password

Nickname : koko
Steam ID (type "status" to console to get your SteamID) : STEAM_2:0:1804201195
IP : 192.168.254.131:27015
Any proof that shows you own nick : The reason why i didn't play was because my studies, working on my graduation project
i forget what's my account i used before to sign in and play , but i didn't format my pc for a 3 years so i still have koko as a nikname