my.ini
[mysqld]
# set basedir to your installation path
basedir=E:/mysql
# set datadir to the location of your data directory
datadir=E:/mydata/data
initialize
mysqld.exe –initialize
start
mysqld.exe --console
shutdown
mysqladmin -u root shutdown
connect in another cmd window
mysql.exe -u root -p password
change password
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password';