The system requirements for ThreatFactor vary widely based upon the number of resources that are to be monitored.
Below are guidelines for determining the minimum system requirements:
Small Website (50-100 files)
Disk Space
200 MB
Memory
100 MB
CPU
1 CPU
Medium Size Site or Multiple Small Sites (100-1000 files)
ThreatFactor is self-contained and can be easily run without running an installation; simply drag it to a directory and run the server to begin.
However, an installer is provided and should be used on Windows if you plan on installing the ThreatFactor server as a Windows service.
ThreatFactor NSIA definitions are free.
Register for an account on ThreatFactor.com then generate a free license key for each of your scanners.
If do not want to register, you can download the definitions and import them manually into NSIA.