C:\Program Files\MySQL\MySQL Server 8.0\bin C:\Program Files\MySQL\MySQL Server 5.7\bin Navigate there or add to PATH. Stop MySQL service (optional but recommended for some versions):
FLUSH PRIVILEGES; ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password'; EXIT; , then restart MySQL normally:
mysql -u root :
:
net stop MySQL (if you lost password, see Method B).