Looks like a Gentoo install. Set the hard disk up ready for use, put some Gentoo files on it, switch to running from the hard disk instead of the install CD or USB stick, download more Gentoo stuff, compile and install a Linux kernel.
Assuming you’re not talking about the one with three languages and a continue button, if you don’t get that one I can’t really help you.
What about if we silently upload your files from your documents folder to OneDrive and replace them with links to the OneDrive copy, so that they stop working if you ever delete OneDrive?