Hello... how can i change the skin

[Aeros]

Hello... im new here.. so.. my question is how can i change my website skin i already nake my design i copy the html code and paste on some txt files... but dosn´t work plz help´me!....



Thank you

 

[Wasted]

More information? You did some copy and pasting? Explain what you moved to where and changed. I will try to help once you announce said information.
-Wasted