To create your Recruiterflow specific password, you can go to https://recruiterflow.com/password-reset and enter your email address that you use on Recruiterflow and click on Send Reset Link.
You will receive an email with a link where you can create your Recruiterflow specific password.
Enter your password and click on Change Password.
This now becomes your Recruiterflow password.
To login using this password, simply go to https://recruiterflow.com/login?type=password and use your email and Recruiterflow password to login.
Note: This is not your Outlook/GSuite password, rather a password dedicated for Recruiterflow.
In case the logging problem still persists, you might need to clear your cookies.