Below are some simple steps to get you started:
Step 1. Login into your account.
Step 2. Select "Groups" from the top right.
Step 3. Select "Create a group" , you should see the form below.
Step 4. Insert a group name
Step 6. Now select "Create" - You should see the form below.
Step 7. All the users you just created now have the password: "YwMPaUEc" So "AdamPane" is the user login and his password is "YwMPaUEc"
Step 8. If you want to add new users ("Admin") or see all the infographics in the group ("View Visuals") - just select the "Groups" option again and you will see the group you just created.
See this post on how you Join an Infographic Group.