Step 1: Click on Account Management
Step 2: Click on Groups
Step 3: Click on Create
Step 4: Enter Group name and click Next
Step 5: Click Apply
Step 6: Click on Users and then Create
Step 7: Click Next
Step 8: Input User info and Click Next
Step 9: Select Group for that user and click Next (If applicable)
Step 10: Select which permission to assign for the user and Click Next
Step 11: Click Apply