There are interactive home study courses available online where one can learn how to play the piano many of which are free. There is also the 'YouTube' site available where video lessons are on offer.
One can learn more information on piano playing at How to play Piano, Rocket Piano, Piano, Virtual Piano, Button Bass, Youtube, Online Pianist, Multiplayer Piano and many more.
There are many websites where one can use tutorials to learn the piano. Some of these include Button Bass, Zebra Keys, and Online Pianist each have many piano tutorials one could find useful.
There are a lot of things one is able to learn from the Rocket Piano website. For examples, one will learn how to play piano using the free lessons, discovering how to read music.
First you have to find an on line course. You can either learn from watching piano lesson youtube videos or looking for excellent online piano lessons. The trick is finding the right one where you can get all the piano lessons you'll need. Where you can also ask some questions and receive quick response. Or you can check some piano lessons videos here at answers.com
Ambitious music students can find several instructional and tutorial videos online at YouTube that teach many songs, including Clocks by Coldplay on piano.
You have to print out the piano sheet and learn how to play.
There are many places you can learn how to play the piano. One thing to try would be to contact a local pianist and see how much they would charge for lessons.
One can find the instruction on how to play a piano online from: Wiki How, True Piano Lessons, Zebra Keys, Take Lessons, Piano Nanny, Amazon, How to Play Piano, Piano Lessons, Button Bass, Virtual Piano, to name a few.
Search on youtube for "Learn free music theory" from a user named Lypur, click his name and browse his channel. He's a teacher that posts high quality videos on how to play piano, and on music theory.
First, one must secure use of a piano. Then one needs to take lessons to learn to play the piano, and must practice, practice, and practice. When done practicing, they need to practice more.
You might be able to find it on youtube
There is an online tutorial to learn Lover You Should Have Come Over by Jamie Cullum on the piano on video websites such as YouTube. [Edit]: link please, I couldn't find one.