Changing MySQL root password

1. Launch a command-prompt. 
2. Navigate to the bin folder of your MySQL installation.
   (e.g. C:\Program Files\MySQL\MySQL Server 5.6\bin)
3. Start the MySQL command-line interface via
   mysql -u root -p 
4. You will be prompted to type your existing root password.
5. After a successful login you should see a prompt saying 'mysql>'. 
6. Enter following command to change password
   SET PASSWORD FOR root@localhost=PASSWORD('new_passw_goes_here');
7. Volia!