Hello Jimmy.
Mine came ready programmed from Knights but be aware. If you change any frequencies they stay changed.
I realised this and used dellboys blog to readjust the ones I needed too.
About 8 channels.
Here's a useful starter video.
https://youtu.be/M7mSZHmczL0
Here's dellboys blog for frequencies.
https://delboyonline.blogspot.com/p/cb-radio-frequency-list.html?m=1
And here's a link to how to download software
https://youtu.be/bMGBtsSd4EY
Cheers and let us know how you get on