highly compressed software

[synerdragon]

i have seen that m office 2007 have been compressed upto 15mb with switchless installer,as well as many other softer and game too have been highly compressed how is that,how can i do that,i saw that Gb files have been compressed into 20-25mb with switchless installer how can i do that anyone have got any idea about these thing

[DigeratiPrime]

IIRC you're referring to the 'fake' archive files of Microsoft Office that started appearing on the net a few years ago:

http://digg.com/software/Compress_500_MB_t...ng_KGB_Archiver

http://digg.com/tech_news/Compress_MS_Offi...th_KGB_Archiver

KGB Archiver is a legitamate program, but those files people upload are fakes and may have viruses etc inside.