Bypass Megaupload
First go to http://addons.mozilla.org/firefox/59/
Click Install Now to install addon.
Restart FireFox. Tool–>User Agent Switcher—>Options—>Options
Click User Agents—>Add
Type this:
+ Description: MEGAUPLOAD
+ User Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Alexa Toolbar)
Click OK twice to finish adding User Agent.
From now, before downloading any file on megaupload just go Tools–> User Agent Switcher—>MEGAUPLOAD.

use http://Xmegaupload.com you get free account there.
here you can test through mine: http://xmegaupload.com/?key=freebababab
use downloadmanager or speed is not good without
you can even simply rewrite megaupload-urls, put a “X” before and your free download starts, when logged in!
orig: http://www.megaupload.com/?d=WG3U3KOG
free: http://www.Xmegaupload.com/?d=WG3U3KOG
Nice tips!!
Thanx a lot