Ring size refers to the total number of signers in a @ring-signature. Before release [0.13.0 "Beryllium Bullet"]({{ site.baseurl }}/2018/10/11/monero-0.13.0-released.html), it was possible to select an arbitrary number of signers. With release 0.13, it was decided to set this number to 11 to enforce transaction uniformity.
Choosing a larger pool means that you will see more frequent (but smaller) payouts, but choosing a smaller pools helps keep the network decentralised. [Miners will not lose any revenue by mining on a smaller pool](https://redd.it/g6uh2l).
Binaries are available for multiple distributions and operative systems, but you can also build the miner by yourself. Take a loot at [XMrig's docs](https://xmrig.com/docs/miner)
Scroll down to 'Assets' until you see the correct version for your system. Download this file, extract the archive somewhere memorable, like your desktop.
winslow
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