ReSSA (3.0) runs on Windows 98, Millennium, XP, NT 4.0, 2000, 2003, Vista, Windows 7 operating systems. To install the program, the user must have access as an administrator. ReSSA is distributed on a CD-ROM.

Use of ReSSA must be licensed. ReSSA runs only if a hardware device (key or dongle) is attached to a USB port. This device is provided with the software and it constitutes a license.

Each copy of ReSSA has its own unique license number.

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