A lot of people get this tab wrong. This is the actual version. Hope it works 
for you. Standard Tuning.

INTRO

e|--------------------------------------------------------------------
B|--------------------------------------------------------------------
G|-----9-----7--------5-----7-----------9-----7--------5--------7-----
D|--------7-----7--------5-----7-----------7-----7--------5-----------
A|--0--------------0--------0-----0-00--------------0--------0--------
E|--------------------------------------------------------------------

e------------------------------------------|
B------------------------------------------|
G--------2---------------------------------| - This is played 5 times.
D--5--5--2---------------------------------|
A--3--2--0---------------------------------|
E------------------------------------------|

last part of intro - Played once
|------------------------|------------------------|
|------------------------|------------------------|
|----9-----7----------5--|----------7-------------|
|-------7-------7--------|----5----------7--------|
|------------------0-----|-------0----------0--0--|
|------------------------|------------------------|

|---------------------3--|----3--2---------------|
|---------------------3--|----3--3---------------|
|----9-----7----------0--|----0--2---------------|
|-------7-------7-----0--|----0--0----5--5--2----|
|------------------0--2--|----2--0----3--2--0----|
|---------------------3--|----3------------------|

Verse
|------------------------|---------------------|
|------------------------|---------------------|
|----9--7--9----7--5--7--|---------------------|
|----7--7--7----5--5--7--|-----------5----5----|
|------------------------|--------0--3----2----|
|------------------------|---------------------|

|-------------------------|---------------------|
|-------------------------|---------------------|
|-----9--7--9----7--5--7--|---------------------|
|-----7--7--7----5--5--7--|-----------5----5----|
|--0----------------------|--------0--3----2----|
|-------------------------|---------------------|

Thats all i have for now, its the actual way to play it. watch angus young's fingers 
and youll know for sure :). This is my first tab, so tell me if i made any mistakes.