HELP!

I had DJGPP running on my Windows 98 system. Now i formatted my harddisk and installed Windows 2000 Professional.

http://clio.rice.edu/djgpp/win2k/main_203.htm

i have downloaded all files from this website and extracted them into C:\DJGPP

but now i am not sure how to get DJGPP running...

can anyone help me? what do i have to do, now?