Edit the httpd.conf file to change the port Apache listens on.
(1) Locate the file httpd.conf. This file should be found in C:\xampp\apache\conf (or whichever directory you installed XAMPP in – mine is on my D-drive because that is where I installed XAMPP)

(2) Open the file using a text editor or programmer’s editor

(1) Locate the file httpd.conf. This file should be found in C:\xampp\apache\conf (or whichever directory you installed XAMPP in – mine is on my D-drive because that is where I installed XAMPP)
(2) Open the file using a text editor or programmer’s editor
(3b) Change the port number (80) to a different number (for this tutorial, I changed it to 50500).
(3c) Save the file.
(4) Restart the Apache Server to have the change take effect.