Tuning is standard, or down half a step depending on what version you're playing (the 
song seems to come in a range of pitches)

Verse:

E|-----------------|
B|-----------------|
G|-----0-----0-----|
D|--5-----5-----5--|
A|-----------------|
E|-----------------|

Pre-Chorus:

E|---------------|
B|---------------|
G|---------------|
D|--5--7--9--10--|
A|--5--7--9--10--|
E|--3--5--7--8---|

Chorus:

E|--------------------|
B|--------------------|
G|-----7-----7--5--4--|
D|--5-----5-----------|
A|--------------------|
E|--------------------|

OR

E|--------------------|
B|-----3-----3--1--0--|
G|--0-----0-----------|
D|--------------------|
A|--------------------|
E|--------------------|