How do I install the printer software on my Windows XP computer?
Insert the software CD into your computer's CD-ROM drive and follow the on-screen instructions. If Welcome screen does not open, click Start, Run, type Z:\setup (where Z is your CD drive letter), and click OK.
From the official HP Laserjet P2015 Printer manual, page 14
Have a follow-up question?
Answers from the official manual.
Common questions