Help with forcing JQuery to load

Hi @Jude ,
Thanks for livechat earlier,
Following that discusson and this screenshot
http://monosnap.com/image/1CfKlF9xOyQYecPUkqwfsTTilmDOwb#

at the bottom square highlighted in the console you said that

simply change the 4th param to true

http://wordpress.stackexchange.com/questions/139154/force-wp-enqueue-scripts-to-the-header

In which file do i need to make this change?

Support Access is open
Domain: http://tinyurl.com/q6vm7mv

Thanks again

Tom