| Component | Minimum Requirement | Recommended | |-----------|--------------------|--------------| | CPU | Intel i3 or AMD equivalent | Intel i5 or better (VT-x/AMD-V enabled) | | RAM | 4 GB total (2 GB free for VM) | 8 GB total (4 GB free for VM) | | Disk Space| 20 GB free | 50 GB SSD | | Virtualization | BIOS/UEFI: Hardware virtualization enabled | Same | | Software | VirtualBox 6.x+ or VMware Workstation Player 15+ | Latest VirtualBox |

Note: Disable Hyper-V on Windows 10 if it’s active. Run PowerShell as Admin and use: bcdedit /set hypervisorlaunchtype off then reboot.

Direct download links for the OpenNebula Sandbox 5.0 OVA file are no longer officially hosted on the main OpenNebula website as it is considered a legacy version. The OpenNebula team now recommends using

An OVA (Open Virtualization Format) is a single file containing a pre-configured virtual machine. For Windows 10 users, this was perfect. No complex installations—just download, import, and run.

If you haven’t already, install Oracle VirtualBox from virtualbox.org . During installation, allow network adapters and USB controllers. Restart Windows 10 if prompted.