"description": "VMware is the recommended choice for best performances.<br>The GNS3 VM can be <a href=\"https://github.com/GNS3/gns3-gui/releases/download/v2.2.1dev1/GNS3.VM.VMware.Workstation.2.2.1dev1.zip\">downloaded here</a>.",
"description": "VirtualBox doesn't support nested virtualization, this means Qemu based VMs will run extremely slowly.<br>The GNS3 VM can be <a href=\"https://github.com/GNS3/gns3-gui/releases/download/v2.2.1dev1/GNS3.VM.VirtualBox.2.2.1dev1.zip\">downloaded here</a>",