Não consigo fazer a instalação inicial da máquina virtual, o vagrant aparentemente não pode ser instalado pelo cmder. Escrevi "vagrant version" para verificar se foi instalado, e recebi essa mensagem.
λ vagrant version
5
Vagrant failed to initialize at a very early stage:
The version of powershell currently installed on this host is less than
the required minimum version. Please upgrade the installed version of
powershell to the minimum required version and run the command again.
Installed version: N/A
Minimum required version: 3