Checking this option will remove ‘Powered By’ from the Login screen.
Go to /wp-content/uploads/miniorange folder and upload a .png image with the name custom (Max Size: 100x28px).
Example: I have selected the Google logo.
Note:If you have free plugin, this feature is supported in paid plugin. Please checkout out pricing from here: https://plugins.miniorange.com/2-factor-authentication-for-wordpress