bro, u can go to shop buy a 32gb usb for 15$ max that reads and writes good. shove that in USB 2 up in dat PC there with the live aswell
- install to the 32GB and when install is finished and you have restarted and removed the live boot and set ur boot priority in bios
- then u can build the grin wallet using the first half of this guide here - >>Grin v1.0 Step by Step Miner Guide on Ubuntu [English version]
- restart that there PC of yours after you done the build and got up to the grin-miner part of the above link.
-type grin and u got there that them grin node geeeee.
-go to https://grin.mw for guides on running wallet and node.
peace