How to replace favicon on my website?

If you are not sure where to upload the favicon.ico file to replace the default joomla favicon, try to find the current file's location.
Run your website and then press the right mouse button to select "View source" from the list of options.
Then let's find the "favicon" word using CTRL+F5 keyboard shortcut to check the file's location.

For example,  take a look at the picture below:



After finding the proper file name you can also learn, that the file you need to replace is located in the template's directory: templates/dj-safari/favicon.ico
Now it's enough to login to your server FTP and overwrite files.