To install iRidium server on Raspberry Pi download and install a required software:

1. Download (*.deb) server file for Raspberry Pi
2. Download and install WinSCP
3. Download and install PuTTY

Connect and configure Raspberry Pi according to instructions from raspberrypi.org.
Raspbian operating system must be installed on your device (officially supported operating system Raspberry Pi on the basis of Debian).