BuddyPress.org

Hi I have the same problem I have installed WordPress and Buddypress and entered the Admin and when choosing Template and going to see the web site any categoory I click I get HTTP 404. IS THERE SOME BEGGINERS START UP GUIDE WHERE STEP BY STEP IS EXPALINED THE PROCESS OF CREATION A SOCIAL SITE WITH BUDDYPRESS????

I really need to create this site but with no instructions and help this is impossible ….

Thank you