The following is a list of the basic VirtualBox settings to start with when using a VM with a GUI. Make sure that you have also installed the Oracle VM VirtualBox Extension Pack that is compatible with your version of VirtualBox and that you have installed the Guest Additions in the VM itself.
- 4+GB of RAM, or whatever you have available
- 2+ CPU (if you have the available cores/threads)
- As much Video Memory as you can