Renault Laguna II - coil spring replacement - bisquits

hi all, i was hoping that some one could help me? my laguna needs the frount driver side coil spring replaced. i have went out and got the replacement spring and got the tool to compress the spring but i have never worked on a laguna befor and a bit lost as i'm a spray painter not a spanner jocky so can any one help on how to do this? thanks