More than 5 EFiles from one computer

My family files using online software (one deluxe and 2 free for our children).

My sister's computer broke and she would like to use mine this tax year.  She also has 2 children that file  so this would be a total of 6 online accounts from one computer.  Is the 5 EFiles per computer only apply to the desktop product or is it total per computer?


Thank you