Proxmox VE Community

+ Access to Enterprise Repository
+ Stable software updates

Subscription period is one year from purchase date.
Each Proxmox VE server needs a subscription with the right CPU-socket count.

All details here

You can read about this and other PROXMOX products here

Contents of delivery:
✔ distribution Proxmox VE (media or download link from the Internet)
✔ subscription key (in electronic form)
✔ subscription key (on paper form)