I wanted buy Team Fortress 2 today but i was having a hard time decideing wheather to buy it or not since i did not know if it my computer could handle the game.So thats why i am here to ASK you guys if my computer could handle it.
Heres the info:
OS NameMicrosoftｮ Windows Vista・Home Premium
Version6.0.6001 Service Pack 1 Build 6001
Other OS Description Not Available
OS ManufacturerMicrosoft Corporation
System ManufacturerGateway
System ModelGT5694
System Typex64-based PC
ProcessorAMD Phenom(tm) 9100e Quad-Core Processor, 1800 Mhz, 4 Core(s), 4 LOGICAL Processor(s)
BIOS Version/DateAmerican Megatrends Inc. 7B3P081G, 5/5/2008
SMBIOS Version2.5
Hardware Abstraction LayerVersion = "6.0.6001.18044"
Time ZonePacific Daylight Time
Installed Physical MEMORY (RAM)4.00 GB
Total Physical Memory3.75 GB
Available Physical Memory851 MB
Total Virtual Memory7.72 GB
Available Virtual Memory4.82 GB
Page File Space4.04 GBI think you're good, however you can also try using the utility on the below link

http://www.systemrequirementslab.com/referrer/srtest

Team Fortress 2 Minimum System Requirements
CPU: 1.2 GHz Processor
RAM: 256 MB
Graphics Card: DirectX 7 capable graphics card
Windows 2000/XP/ME/98
Mouse
Keyboard
Internet Connection
CD or DVD rom drive