Download latest version of Joomla from https://downloads.joomla.org/
Extract the downloaded zip file to your localhost. The filename will look like ” Joomla_3.7.4-Stable-Full_Package”
Now start the server by starting both Apache and MySQL
Enter localhost/Joomla_3.7.4-Stable-Full_Package on your browser and complete all three steps of installation there
Check whether your server configurations meet the required configuration in Joomla like PHP version etc. If yes then install joomla.
In Xampp if the installation is not completing then replace
max_execution_time = 30 in PHP.ini file by
max_execution_time = 300.
Then restart Apache and try again the installation process.