VMware provides FREE labs for students for unlimited practice. You can make use of this self-paced lab sessions for practicing various VMware products like vSphere, NSX, vSAN, vROPS, even you can practice VMware cloud on AWS. What you need to have? just registered user account. You can create user account on a fly. Afterwards login to the HOL (hands on lab) portal as given below. You can have to complete lab within the duration, some time it gives option to extend the duration if you are still using the session. After your session console VM will be deleted so all your work will be lost. However you can start the lab again, it will create a new console VM for you. By this way you can do labs as many times as you want.