IBM QRadar is proprietary, commercial software. There is no legally "free" version of the full enterprise product for production use. However, there are three legitimate ways to access it without cost for learning, testing, or proof-of-concept purposes.
: Minimum 8 GB; 16–24 GB highly recommended to avoid UI sluggishness. qradar+iso+installation+free
Success depends heavily on correct virtual machine (VM) configuration before launching the ISO. IBM QRadar is proprietary, commercial software