Here's what you need.

1.Purchase a domain name: theres a services like Namecheap, GoDaddy, or Google Domains

2. Get Web Hosting: you'll need to move from your local XAMPP to a production hosting service.

3. Export your Database use phpMyAdmin in XAMPP to export your MySQL databases.

4. Transfer your files upload your website files to the hosting server using FTP or hosting control panel

5. Configure the server: set up APACHE, PHP, and mySQL on your production server similar to your XAMPP configuration

6.Test Throughly