Installing the InfiniteWP Admin Panel via the Installer Plugin is a streamlined process that doesn't require manual database creation or directory setup. By default, it utilises your existing WordPress database with an iwp_ prefix, and installs in the /iwp subdirectory—both of which can be customised during the installation.
Step 1: Download the installer plugin here - Download Installer Plugin.
Step 2: In your WP admin dashboard, click on Plugins → Add New
Step 3: Click on the Upload link.
Step 4: Click on the Choose file button and select the file that you downloaded in Step 1.
Step 5: After the .zip file is uploaded, hit Install Now.
Step 6: After it's installed, click Activate Plugin.
Step 7: Click on the big black Install InfiniteWP admin panel button and follow the on-screen instructions.