How do i change my proxy server ip address ?

i need to change my proxy server numbers to an american or unknown one but i don''t know how to go about doing this .can anyone give me step by step instructions



i need this so i can watch videos on a american copyright restricted websiteHow do i change my proxy server ip address ?
If u need to add a proxy adress to access internet in a client machine....do the follwoing method





Internet Explorer......%26gt;tools.....%26gt; Internet Opitions......%26gt;Connection....%26gt;Lan Settings....%26gt;Select Proxy server opition and give Proxy server address and port number ther