These aren't too bad as springs go, but it depends on your degree of competence (and confidence) as the strut has to be removed from the car which involves disconnecting the driveshaft (usually) bottom suspension joint, track rod and drop link ends just to remove the strut to the bench. Then you need coil spring compressors (vital) before you go in for more dismantling.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.