After installing MinerOs operating system on a USB flash drive/SSD or HDD you need to make sure that the configuration file, located in the root of the MinerOs, MINEROS_DISK:\auth.txt drive contains your email with which you are registered in the MinerOs system.
Detailed information on how to burn MinerOS to disk is here.
You need a flash drive with burned MinerOs iso image. How to burn an iso - described here. Rename the rig for your convenience. Then create a mining task, which will have all the information needed for mining of the selected coin. Go to the rig page, overclock video cards if necessary, and then apply the previously created task to it. Wait a bit and enjoy the statistics in real-time. Read about configuring rig more detailed in the next article.