Firmware updates for the IC-7100 are separate files (usually .dat) loaded via an SD card, not via the CS-7100 software.
Run it in :
The CS-7100 is for the original IC-7100 only. Icom would release a separate CS-7100MKII if a new version were launched. icom cs-7100 software download
For USB 3.0 ports, a specific compatible driver may be required. Icom America 2. Software Download & Updates Firmware updates for the IC-7100 are separate files (usually