Open your browser and enter the IP address of your web server plus /zabbix.
In our example, the following URL was entered in the Browser:
On the login screen, use the default username and default password.
• Default Username: Admin
• Default Password: zabbix
After a successful login, you will be sent to the Zabbix Dashboard.
On the top right part of the screen, access the user profile settings.
On the user profile screen, select the desired language and click on the Update button.
Congratulations! You have changed the Zabbix language of the Web interface.