There might be various reasons why learning piano formally from a professional is not possible, whether it is due to time, travel distance of trainer availability. Learning piano online is a good alternative and it gives you the flexibility to learn at your own time, location at the pace that you are comfortable with.
In order to start, you probably need to have keyboard at the very minimum level to start off. Next things you will need is internet connection, a quite environment and the online training resources. We have looked through available piano learning resources for beginners and we find that video lessons from this pianovideolessons.com is very good and hence we share it here. If you feel the same, do bookmark or share this page with your friends.