Step 1, how many upgrades will be ordered.

Upgrade to RFFlow Version 5

The RFFlow icon
Enter your RFFlow registration number(s) in the box below. You can find this number by running your current version of RFFlow and clicking on Help, and About RFFlow. If you don't know your registration number, contact RFF Electronics for assistance.

The RFFlow Version 5 License Upgrade is Product #521-5

Registration Number


RFFlow Software | Phone: 970-663-5767 | Email: | © 2023 RFF Electronics