When your exported website is ready, you can setup it easily without change anything manually. You always need a web server to run it. To test it on your computer you need to run a web server on your OS and run your website with it's local folder address. We introduce some of them here:

• http-server: https://www.npmjs.com/package/http-server
• simplewebserver: https://simplewebserver.org
  

You can find dozens of other web servers by Googling and ChatGPT.