How to Unpack a downloaded game

im new to all of this stuff and i downloaded need for speed undercover.
i have 26 i think parts and i have no clue what to do.
is there a guide on this?
if not, i have PowerISO and winrar and all of my rar files (parts) are in the same folder, ive tried to figure it out myself but its just so confusing.
help a noob out!
Answer #1
help!
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Answer #2
Right click on one of the rar files, and press extract here.
Answer #3
AS said extract the rar files.. If its is iso format or some image format use any Write software or use daemon tools and mount the image in the drive and install the game
Answer #4
C:\Documents and Settings\ME\My Documents\Downloads\Compressed\nfuc.RELOADED.part04.rar: CRC failed in nfuc.RELOADED\rld-nfuc.r06. The file is currupt
Answer #5
C:\Documents and Settings\ME\My Documents\Downloads\Compressed\nfuc.RELOADED.part04.rar: CRC failed in nfuc.RELOADED\rld-nfuc.r06. The file is curruptits the fault of the file u might have to re download it mate
Answer #6
Corrupted file. Download it again.
Answer #7
thanks, sorry for noob question