Thank you for contacting PUBG Support!
I see that you have mistyped the password for Steam account and unable to login to it. I'll be glad to assist you with this.
The password for the Steam account can be found on the Steam platform.
Steam account password search procedure
1)https://help.steampowered.com/en/wizard/HelpWithLoginInfo?issueid=406 Go to the link.
2) Enter your account or email address on the page you moved.
3) Follow the instructions on the following pages to proceed.
Have a great day ahead!
See you on the battleground!