Question about yo

Hi, I have a question about how to do a yarnover.

I know how to do one, when it’s in the center of 2 other stitches,
but, I need to know how to make a yo at the very beginning
of the needle, before the first knit stitch.

I can’t seem to figure it out, it seems like there’s nothing to yarn over, there’s no way to start out with a yo, that I can figure out.

Yep, you can. Bring the yarn to the front, then over the needle and knit the first stitch.