Long way:
In WinZip, make sure that no files/folders are selected, then click extract. Pick a folder to extract to and make sure you choose to keep directory structure. Then run setup.exe from where you extracted it.
Short way:
Get
WinRAR (
direct link here), open the zip, run setup.exe.
Q. When was using P2P applications like LimeWire ever illegal?
A. Never.
Perhaps Calvin wanted to install Windows XP on a new drive so he could keep his old data, or becaause his new drive will be faster.