This is standard tuning and the correct version of this song.

G:----------------------------------------------------------------------------------
D:----------------------------------------------------------------------------------
A:----------------------------------------------------------------------------------
E: 5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5--5-5-5-5-5-5-5-5-5-5-5-5-555555555-5-5--5-55--5-5--55555--5-5--55-55555555

Verse:

G:-----------------------------------------------
D:-----------------------------------------------
A:------------------5-5-5----------------7-7-7-77
E:-5-5-5-5--3-3-3-3-------5-5-5--3-3-3-3---------

Chorus:

G:-----------------------------------
D:-----------------------------------
A:5-5-5555--3-3-3333--0-0-000-0-000-3
E:-----------------------------------

Play chorus over when the song pauses in the middle and then the rest.