My PC build:
AMD FX 6100 6-Core Processor, 3.3 6 Socket AM3+ - FD6100WMGUSBX
Corsair Vengeance 8 GB ( 2 x 4 GB ) DDR3 1600 MHz (PC3 12800) 240-Pin DDR3 Memory Kit
GIGABYTE ATI Radeon HD6850 1GB DDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card GV-R685OC-1GD
Western Digital 1TB Caviar Black SATA Internal Hard Drive

If your computer is running slow then run-install these programs...
1. AdwCleaner link - http://www.bleepingcomputer.com/download/adwcleaner/
2. ComboFix link - http://www.bleepingcomputer.com/download/combofix/
3. disk-defrag-setup link - http://download.cnet.com/Auslogics-Disk-Defrag/3000-2094_4-10567503.html
4. Glary Utilities link - http://www.majorgeeks.com/files/details/glary_utilities.html
5. Malwarbytes link - http://www.malwarebytes.org/
6. RogueKiller link - http://www.bleepingcomputer.com/download/roguekiller/
7. Spybot link - http://spybot-search-destroy.en.softonic.com/
8. tdsskiller link - http://www.bleepingcomputer.com/download/tdsskiller/
9. tweaking.com_windows_repair link - http://www.tweaking.com/content/page/windows_repair_all_in_one.html

10. Open up notepad and copy and paste this code.

del /s /f /q c:\windows\temp\*.*
rd /s /q c:\windows\temp
md c:\windows\temp
del /s /f /q C:\WINDOWS\Prefetch
del /s /f /q %temp%\*.*
rd /s /q %temp%
md %temp%
deltree /y c:\windows\tempor~1
deltree /y c:\windows\temp
deltree /y c:\windows\tmp
deltree /y c:\windows\ff*.tmp
deltree /y c:\windows\history
deltree /y c:\windows\cookies
deltree /y c:\windows\recent
deltree /y c:\windows\spool\printers
del c:\WIN386.SWP
cls

Then click on File and click on save as.. Name the file to whatever you want, make sure that you have .bat at the end of whatever you named the file and that's it good luck!