Thanks! Got this working in a matter of moments.
Upload
contents of public_html to your webroot or public_html.
Upload the
instantblog folder behind public_html.
Edit the .env file in
/instantblog/ and add your new database, user and pass
change the permissions recursively for
/instantblog/bootstrap/cache/ to 775
change the permissions recursively for
/instantblog/Storage/framework/ and
/instantblog/Storage/logs/ to 775.
navigate to
http://your-domain.com/install, it will validate that you've made changes to the permissions above, and show you the .env that you've previously editted. Click finish.
navigate to
http://your-domain.com/ and complete the serial validation, then click the user icon, login with the credentials provided.