Well if your not getting an error message I would hazard it's either not needed or you somehow already have it but in another form.
Operating System Windows 8 consumer
Computer Type Custom Built/Black Edition
Internet Explorer Version Chrome Dev/IE10
DirectX Version 11
CPU Type and Speed AMD Phenom II X4 965 @ 3.8GHz (19*200MHz)
CPU Cooling Sunbeam Core-Contact Freezer
CPU Idle Temp 38c
CPU Load Temp 55c
Motherboard Chipset GA-MA790X-DS4 -SB600+Noctua chipset cooler-Custom VRM cooling.
System BIOS Revision F10d
System Memory Type 3GB DDR2
System Memory Speed DDR26400
System Memory Clocking 5.5.5.12
Video Card Type and Speed Powercolor HD5870 PCS+ OC @ 890MHz/1250MHz
Video Card Cooling Custom factory design
Video Card Temperature 55c
Video 3DMark Score 4456
Power Supply Unit (PSU) OCZ 600W ModstreamX
Computer Monitor EMS 19'' LCD
Sound Card Onboard Realtek
Speakers Dell 2:1
Headset/Microphone Logitec
Storage Controller AMD AHC1 RAID Controller
Hard Drive 500GB Barracuda RAID 0 (2x250GB)-1x75GB SATA2
Optical Drives Samsung Writemaster DVD/ RW
Keyboard and Mouse Logitech media 600/RAT3 Mouse
Modem-Router Type BT-Router
Network Adapter Realtek 8111B chip (10/100/1000 Mbit)
Printer Kodack Wi-Fi
Network Speed Too slow
USB Controller AMD
Gaming Console Don't be daft
Anti-virus Software Defender/Malwarebytes
Productivity Suite Office Proffessional 2010
System Install Date 2010
Computer Skill Level Self-Taught Expert
Windows Experience Index 5.9
Favorite Game FEAR,Oblivion,Fallout 3,Crysis 2, Fallout:New Vegas,Skyrim
Favorite Application Windows 8