While nxosv9k-7.0.3.I7.4 is not the cutting edge (you won't find NAC/PBR enhancements from 2024 here), it is the of virtual Nexus images. It is rugged, reliable, and won't consume your entire laptop's RAM.
If you are studying for CCIE DC, or need to test a VXLAN fabric upgrade path, this image is a fantastic resource. nxosv9k-7.0.3.i7.4.qcow2
When you boot 7.0.3.I7.4 , it will be in "Nexus 9000v" mode. You will likely see No license installed. However, the virtual switch operates in or Evaluation mode. For lab purposes, the image generally runs all L2/L3 features (including VXLAN) for an unlimited evaluation period. While nxosv9k-7