You can select the option to generate an initial guest password when you create a VM. Then when you deploy the VM, the platform will generate a random password and send it to you by email or SMS. After you deploy, you should log in as the root or administrator user and change the initial password.
The owner of the VM and administrators with the privilege to Display initial virtual machine password can also retrieve the guest password from the deployed VM.
To display the initial VM password:
Select the VM
On the control panel, click the key display initial guest password button