Am I allowed to install Lightroom on multiple PCs?

I purchased the student's edition of Lightroom 4 for my (Win7) computer at home. I'm working often at the university and now I would like to know whether I am allowed or not to install Lightroom on my (Win7) notebook with the same license key as on the desktop?
If it's legal, I would wonder, if there are differences in the licenses for Windows and Mac OS, because I'm thinking about buying a Mac notebook.
Thanks in advance and best regards.

Technically LR can be loaded onto both a Windows and Mac system using the same serial number, since it does not require activation. The primary stipulation is that you cannot use the program simultaneously on two systems.
LR 4 EULA:
http://www.adobe.com/products/eulas/pdfs/gen_wwcombined-en_us-20120119_1426.pdf
Sec 2.1.3 Portable or Home Computer Use. Subject to the restrictions set forth in Section 2.1.4, the primary user of the Computer on which the Software is installed under Section 2.1 ("Primary User") may install a second copy of the Software for his or her exclusive use on either a portable Computer or a Computer located at his or her home, provided that the Software on the portable or home Computer is not used at the same time as the Software on the primary Computer.
I'm not an attorney, but I see no restrictions anywhere in the LR4 specific EULA that apply to your usage.

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