Best and easy way to upgrade PHP in the Wamp server step by step.
In this video, we are upgrading PHP 7.3 to PHP 7.4
Download PHP addon from the website
https://wampserver.aviatechno.net/
1) Check current Wamp server is compatible with our PHP version
2) Check PHP version in the command line and localhost home page
3) Download PHP addon
4) Install PHP addon
5) Restart Wampserver
6) Change PHP version in Wamp server
7) Update Path Environment Variable