If you have submitted the Application to join DriveNot mobile app through Dashboard > Settings > DriveNot network then your company has been automatically added to DriveNot.com and an account has been created for you. Auto generated password has been emailed to the admin email you have provided.
If for some reason you haven't received the password or you have forgotten it you can reset it here.
After you successfully log in click on User menu > My Company (top right corner Register button will become User menu after you log in).
Click on your company (or the one that you wish to see if you have multiple companies listed) and in Details view you will see a block called Widget code and Copy to clipboard button under it.
Click on Copy to clipboard button or select and Copy the code. Go to your website and paste the code in an HTML section of your choice.
Save and see the result at your website's front end.
Your review widget will be similar to this: