There is a [https://virtopia.ca/how-to-mine-ravencoin-rvn/ comprehensive article on virtopia.ca] to help you get started mining RavenCoin.
Make sure you're downloading software from trusted sources. There have been reports of some miners possibly including malware, whilst this isn't confirmed it's down to you to exercise caution installing anything on your machines. The GitHub links in the steps over above to github RavenCoin and github MSFTserver have been used by lots in the community and are generally trusted.