help with compressing files

Ginmardo

Banned
Local time
4:09 PM
Messages
56
Location
Suriname
Can anyone provide me with a link to or a step by step tutorial on how to compress 6GB to max 4GB?
I've seen it been done with pc game files: you download a 3GB .rar file and unpack it to become a 6GB size folder. I want learn how to do this so that I can back my pc games.

Thanx ahead, guys. Looking forward to your replies and solutions

P.s. I realize that winrar isn't the only compression software, so if you could recommend me a software which can allow me to compress game files to fit on a dvd disc.
 

My Computer

Computer Manufacturer/Model Number
DIYS System
OS
Windows 7 Ultimate 32bit
CPU
AMD Phenom II X2 550 Callisto 3.10GHz
Motherboard
ECS Geforce6100PM-M2 V3.0
Memory
Markvision single channel DDR2 800MHz PC-6400
Graphics Card(s)
XFX GTX260
Monitor(s) Displays
AOC F22 22-inch monitor
Hard Drives
Hitachi Deskstar 500GB @7200RPM HDD
PSU
CoolerMaster eXtreme 600W PSU
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GMC Mid-Tower case
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Air-cooled 2x80mm rear case fans
Keyboard
Xtech multimedia keyboard
Mouse
Xtech standard USB optical mouse
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I put together the system myself
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