Scroll down to 'Assets' until you see the correct version for your system. Download this file, extract the archive somewhere memorable, like your desktop.
In the Select Users, Service Accounts, or Groups dialog box, add an account that you will run the miner on
You may have to increase 1168 depending on how many NUMA nodes your CPU(s) have.
Most pools are <abbr title="Pay Per Last N Shares">PPLNS</abbr> pools,
which means that you only get paid when a miner on the pool finds a
block. If the pool you are mining on is small, this can take a few
days to weeks.