@dadmas,
The terms of the SoS offers of software are always displayed at the right side of the description page. In this case, the important parts you asked about are:
This is a 1-computer 1-year license, for noncommercial use
Also,
You get free upgrades for one year
No free tech support
You must redeem your license key before this offer has ended
May not be resold
Check the original description page here:
https://sharewareonsale.com/s/free-zemana-antilogger-29-95-value