I put this here 'cause this isn't a mod. Anyways, I've just clicked on SKSE only to get a message saying that the version of SKSE I'm using isn't supported with my present version of Skyrim, and they haven't offered a replacement nor a patch! Can anyone heeeeelp?!

SKSE is a mod.

Well the SKSE thread is in "Skyrim Mods" section... and yeah it is a mod.

http://www.gamesas.com/topic/1391126-wipz-skyrim-script-extender-skse/

Just download the beta and it will work without problems.

There is an update. There's a discussion in the mod section related to the http://www.gamesas.com/topic/1391126-wipz-skyrim-script-extender-skse/page__st__150.