This license allows activating LiveMark Family under:

It is valid a whole year.

If you own other computers at your home and want to protect them, enter the number of computers on which you want to activate LiveMark Family into the field “Nb of computers”.

For example:
I own two computers using Windows XP and an Apple computer.
In the field “Nb of computers” I put the number 3 (2 windows XP + 1 apple).
To update the price, I click on the ‘Update’ button.