Open Home Page of this site，click 'Download GotoHTTP' on the top-left corner, to download GotoHTTP program to the computer you want to control remotely. Extract it to the directory you want to install at，and run it. You will see the Computer Id and Access Code and usage. You may copy and send the usage to your friend or colleagues to ask for support. UI language rely on your system language.
To control the computer prepared in Step 1，please open the Home page of this site with HTML5 supported browser，fill the Computer Id and Access Code, then click button 'Start Control'.