Marcel Gagné

hi guys and gals,you have probably heard this a thousand times but hear i go,i am running windows xp and would like to know if it is possible to run Linux as well as windows. i have some basic experience with pc's, but would love if someone with more experience than me could help.
is it possible to run both windows and Linux?, any problems doing this? i hope one of you gurus out there can help..

thanks for your time and patience Greg