How to Change MySQL root password on Windows

Setting  root password for MySQL Database

• Start your command line by going to the Start Menu > Run and typing cmd (or type command if you are using an older version of windows)

• Change directory to where you installed mysql to:
  C:\> cd C:\mysql\bin

• Switch to mysql command line:
  C:\mysql\bin> mysql -u root mysql

• Then set a default password:

• mysql> SET PASSWORD FOR root@localhost=PASSWORD('newpass');
  where "newpass" is the password you want to use