Hints:

Part 1 -

 

You need to change one little thing. Where are you trying to get to?

 

Part 2 -

 

There might be something hidden on the page. It might help to find it.
 

 

Part 3 -

 

Apart from clicking on the arrow. Try clicking on hidden buttons.
 

 

Part 4 -

 

If you don't understand something, try googling it.
 

 

Part 5 -

 

No Hints.