That's not entirely true. It's considered as a backup copy. There is NO WHERE in the EULA that states how the backup is obtained. As long as he has a LEGIT Registered key, then it is fine.:
10. BACKUP COPY.
a. Media. If you acquired the software on a disc or other media, you may make one backup copy of the media. You may use it only to reinstall the software on the licensed computer.
b. Electronic Download. If you purchased and downloaded the software online, you may make one copy of the software on a disc or other media in order to install the software on a computer. You may also use it to reinstall the software on the licensed computer.
11. DOCUMENTATION. Any person that has valid access to your computer or internal network may copy and use the documentation for your internal, reference purposes.
12. NOT FOR RESALE SOFTWARE. You may not sell software marked as "NFR" or "Not for Resale."
13. ACADEMIC EDITION SOFTWARE. You must be a "Qualified Educational User" to use software marked as "Academic Edition" or "AE." If you do not know whether you are a Qualified Educational User, visit
www.microsoft.com/education or contact the Microsoft affiliate serving your country.
14. GEOGRAPHIC RESTRICTIONS. If the software is marked as requiring activation in a specific geographic region, then you are only permitted to activate this software in the geographic region indicated on the software packaging. You may not be able to activate the software outside of that region. For further information on geographic restrictions, visit
go.microsoft.com/fwlink/?LinkId=141397.
15. UPGRADES. To use upgrade software, you must first be licensed for the software that is eligible for the upgrade. Upon upgrade, this agreement takes the place of the agreement for the software you upgraded from. After you upgrade, you may no longer use the software you upgraded from.
16. PROOF OF LICENSE.
a. Genuine Proof of License. If you acquired the software on a disc or other media, your proof of license is the genuine Microsoft certificate of authenticity label with the accompanying genuine product key, and your proof of purchase. If you purchased and downloaded the software online, your proof of license is the genuine Microsoft product key for the software which you received with your purchase, and your proof of purchase from an authorized electronic supplier of genuine Microsoft software. Proof of purchase may be subject to verification by your merchant's records.
b. Windows Anytime Upgrade License. If you upgrade the software using Windows Anytime Upgrade, your proof of license is the proof of license for the software you upgraded from, your Windows Anytime Upgrade product key and your proof of purchase. Proof of purchase may be subject to verification by your merchant's records.
You just need to make sure you find a legit student iso that has not been modified in any way.