I used to race with some mates in the demo,but I brought the game,and they haven't (yet). My question was that I know I can lock LFS back to Demo,but will cost me that activation keys? Since I don't really want to spend them,and find out I can't play the full LFS because of that

Why would you want to lock it? you can still play in demo servers.. id like to know what happends if/(when because of the urge to do it) i press lock LFS back to demo

DOH!!!

I just figured out that you can select Demo in multiplayer

Ah, yea thanks i just learnt in another thread you get two unlocks a month..

You do not get 2 unlocks every month. You can have a maximum of 2 extra unlocks. Every month on the first of the month, you will recieve 1 unlock until you have the maximum of 2.

For example, the first week of January, I reinstalled Windows 98 and unlocked LFS. A week later decided to try Win XP again, installed and unlocked LFS again. That left me with 0 unlocks. Then on February 1st, I recieved an additional unlock to bring my total to 1. Now in March I will recieve another and will have 2 and will only have 2 from there on unless I reunlock LFS and use one up.