Avoid using MEGA to upload files. http://pcgamingwiki.com/wiki/The_Sims#Widescreen_resolution
Use this page instead. http://community.pcgamingwiki.com/files/
They need to be uploaded in an archive, use 7Zip for that. http://www.7-zip.org/download.html
Download one of these. http://i.imgur.com/AgjePju.png