To set up your MeshCentral account for the first time:
Login with your username and temporary password.
You will be prompted to change your password. Enter a new password of your choice, then login with your new password.
After logging in it will prompt you to set up 2FA. Click Manage authenticator App, scan the code with Authy or Google Authenticator or whatever you like:
Setup is complete. Now you may continue to remote access: