Or an albeit older version if you want to play around in a VM
I'll do you one better -- a free QNX 8.0 image ready to flash on a Pi 4! Can also be adapted to Pi 400 and CM4.
https://www.qnx.com/developers/docs/qnxeverywhere/com.qnx.do...
I honestly zoned out when I saw how many and what steps where required before just wget'ing a image file.
Sorry, nope.
https://carleton.ca/rcs/qnx/installing-qnx-on-raspberry-pi-4...