On the Dashboard page click on the + button

Select the template for the VM. For the Linux make sure you have the ssh public key configured on yout account

Enter a name for the vm

Select Hardware resources. If you don't know what to allocate, start with low resources (default values) you can still upgrade afterwards

Add a network interface

Select the network You have the choose to use :

Add only one interface ! don’t press again on “+Network Interface”

Select the storage :

Go back to the top and click on create

Wait a couple of minutes, until the status is “running”

Now you can connect to the vm. Using the IP shown on the interface :

Then you can login with your ssh private key

If you need information on how to use your private key. You can follow the documentation : use private ssh key on windows