The original version of happy birthday how I would play it

standard tuning

e|-0-0-2-0--5-4-----0-0-2-0--7-5-----0-0--10-9-5-4--2-----10-10-9-5--7---5---|
B|---------------------------------------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|---------------------------------------------------------------------------|

I hope you liked it!!