Right click menu on a document has changed

[Declan29961962w0nv]

When I right click on a document the menu has changed. 

it now looks like this:

and used to look like this:

I much prefer the simpler version how do I get it back?

[Abambo]

Isn't the second one not from Acrobat Reader?

[Declan29961962w0nv]

hey, they both are from acrobat reader I believe, I changed the colour theme though.