You can use up to eight controllers at once, four PS3 controllers and four Xbox 360 controllers (Yes they will still work!). Any combination of the two will work.
How to use PS3 Controller on Windows 7 and Windows 8. Started by USG Ishimura, Jan 14 2011 12. Before connecting up your PS3 Sixaxis controller to your PC you will need to download the driver suitable for your Windows 7 and Windows 8 version. Drivers for Windows 7 and 8. Installing PlayStation 3 Controller Drivers on Windows 7 & 8 or 8.1. Filed under: PS3 Sixaxis Driver 64bit Download; Freeware Playstation 3 Homebrew Applications; Compatibility with this software may vary, but will generally run fine under Microsoft Windows 10, 8, 8.1, 7, Vista and XP on either a 32-bit or 64-bit setup.
Example: Four PS3 controllers as controllers #1, #2, #5, and #8, four Xbox 360 Controllers as controllers #3, #4, #6, and #7. The order the controllers are connected will determine which controller is which (just as with their respective consoles)
When used as controller #5, #6, #7, or #8:
Xbox 360 controllers will not light up at all
PS3 controllers will all light up their fourth light
Battery levels will not ever display for the PS3 controllers. I believe this is because PS3 controllers send their battery level information in a different way than Xbox 360 controllers and the Xbox 360 Accessories program does not recognize it.
The PS and Xbox buttons on each controller will not open the controller info pane (it is only designed to display four controllers)
Ps3 Controller Driver Download Dual Shock Windows 8 Free
Dualshock 3 Windows 10 Drivers
You can tell if the Xbox 360 controllers that are player #5 or higher are connected by pressing the Xbox button. If the ring of green lights stays completely off and does not blink at all, it is connected (or the batteries are dead, but let's hope you put in some fresh ones first)