64 bitcoin mining with cpu with improved SCRYPT performance, run bitcoin-miner-64. Setup with the USB bitcoin miner to the USB powered hub with fan. USB hub must be at lest 1. Also the Rpi heatsink and fan.
7 without burning the core processor. Install fresh Raspian on your SD card with a minimum of 8gb. Install Putty software and get into the terminal. As for all Linux machines, update and upgrade.