The LaserJet Pro P1100 driver for the printer is a 64bit driver below for Windows 10 as well as Windows 8 and Windows 7. The driver use is much like other HP printer drivers in this range including the HP LaserJet Pro P1106, HP LaserJet Pro P1108 and the HP LaserJet Pro P1560 driver. These will only operate on a 64bit system so check this first with your current hardware. Search this website for other HP drivers as well.
You will need to download the driver below and then open the zip file and double click on the file inside to install the driver. The driver should work on the following operating systems:
Windows 2003 / XP 64 bit / 2008 / Vista 64 bit / 7 64 bit / 8 64 bit / 8.1 64 bit / 10 64 bit / Mac