i cannot make it work,, i am using Wp 3.5 (Now i can)

i cannot make it work,

i do the steps like in the USAGE instruction, i am even trying to upload all Languages pack i downloaded from wpmu to Wp-content and rename it to Languages ( wp-content/Languages) and install+nectwork Activate Select Language at Star Up

i am using WP multisite 3.5 fresh install without buddypress

Any idea?