If you forget the password of your IdeaScale community, you have an option 'Forgot Password' to create a new password from the login screen itself.
Once you click "Forgot Password", you will see a window, which will ask to enter the email address you've registered with IdeaScale. You will then be sent a Password Recovery message.
Check your Inbox for the Password Recovery message.
Click the link to reset the password within the stipulated timeframe. A password reset window will appear. Enter a new password to participate in your community.