Installing Drupal 6 on localhost with Troubleshooting

Installing

Here is a Video Tutorial: Lullabot

Troubleshooting

If you Receive a Stop Warning "Can't connect to MySQL":

a) Check than MySQL is Effectively Working
   Open a Terminal window and type in:

mysql -uroot -p

   Give it your password and verify than you can Login MySQL Server

b) Try to change your MySQL Host:
   Click on "Advanced" and Instead of "localhost" Insert 127.0.0.1
   Original answer from: Berdir