Usining XAMPP from Apache for my local server.
Yeah, 'cause everything gets done in just 30 seconds, right?
Use an editor that allows Unix, like vim!
(1) Directory: C:\xampp\php
(2) File: php.ini
(3) Restart Xampp.
While you're there, you might want to change
upload_max_filesize needs to be SMALLER than
XAMPP doesn't do upgrades. You get to do it manually. There's a nice tutorial you might find helpful (I did).