Make an ISO, make a private torrent, or set up FTP from his PC, and download and burn here -- ISO will help ensure that it's an exact copy, in case it's bootable or something.
If it's licensed software, first check to see that you're legally allowed to make a backup.
What is it by the way

Why the secrecy??
__________________
This Forum has rules:
Read them,
or else!
-----------------------------------------------------------------------------------------------------------------
Compute Rig: Phenom II X6 1090T | Crosshair IV Formula | 8 GB HyperX DDR2 | XFX HD 6850 | 2 x 300GB Velociraptor (RAID 0) + 1.5 TB Barracuda | Win Pro 64
HT: Denon 1912 |
Jamo S608 HCS 3 | Jamo Sub 300 | PS3 | TataSky+ HD | Philips 32PFL5609/98
ICE: Sony Xplod DSX-S100 | Sony Xplod XM-GTX6020 | PowerBass S-12 | 4 x Blaupunkt IC (doors) | 2 x Alpine SPS-609 (rear-mounted)
Guitar Rig: Slammer CT 212 Metallic Red | Yamaha Pacifica PAC012 | Line 6 Pod X3 Live | Beta Aivin MX 30 | Marshall MG 15 CD | Korg ToneWorks AX100G