The below guide explains how to reset the password of the admin account of your WordPress installation, similarly you can reset the admin password for other scripts as well.
1) Click on the Edit Icon.
2) After clicking on the Edit Icon you will be redirected to the page where you can edit the installation.
3) On the Edit Installation Page, you will find the section Admin Account as shown here:
4) Enter the admin username for which you want to reset the password in the Admin Username and enter the new password in the Admin Password field as shown in image below:
5) Now save by clicking on the Edit Installation button at the bottom of the page.
Your admin password is now changed and you can access your installation's admin panel using the newly set password.