You need to have a subscription for each user. You first may need to add another user to your subscription. Go to Settings > Gas Engineer Subscription Details, and tap on Add Additional Users. Add as many as needed.
Head to the User Settings
Click "Invite a User"
Fill in the email address and name of the user, then click "Send Invite".
This will send an email to the user with a password. They can then log into the software with their email address and the password within the email
If you get an error message that says "EMAIL ALREADY IN USE.", get in touch: