The installation of Nextcloud is pretty straightforward. Here are the steps.

  1. Set up your domain, preferably incl. TLS encryption.
  2. Download the installer PHP file to the respective public_html directory.
  3. Call the installer PHP file setup-nextcloud.php with your browser.
  4. Follow the instructions and configure Nextcloud.
  5. Login to your newly created Nextcloud instance!

Now, the Nextcloud instance is all set up.