The Digital Stimulus PDFs are not to be copied, printed or modified in any way. The PDFs contained on the USB drives are encrypted and can only be viewed if the included software program (RunThis.exe) is running. They also cannot be viewed once the USB drive have been removed from the computer, even if they are copied to the PC.
This software is designed to prevent unauthorized copying of any kind and disables and/or modifies certain functionality in windows in order to do so.
Per the license Terms and Conditions:
2.1 Permitted use. Unless specifically indicated otherwise,You may not copy, including, without limitation, as a download onto Your desktop, laptop, or a mobile device (tablets or smart phones) or as a back-up copy, modify, adapt, reformat, editr, suppliment, insert captions, or otherwise annotate, broadcast, post, publish, perform, sell, rent, lease, distribute, sublicense, or otherwise assign any rights to the Electronic Stimulus Book or any portion thereof to any third party. You may not remove or modify any proprietary notices or labels on the Electronic Stimulus Book. In addition, You may not bypass, modify, disable, or circumvent any security features that protect Pearson Media and the Electronic Stimulus Book. Any use of the Electronic Stimulus Book beyond, outside of and in breach of the Permitted Use under section 2.1 above will be a violation of Pearson's Intellectual Property Rights, this Agreement, and applicable laws, and may entitle Pearson to injunctive relief and money damages.