how to knit a scarf

To knit a scarf, cast on your desired number of stitches and knit every row using the garter stitch until you reach your preferred length, then bind off and weave in the ends.

Gather your materials. Worsted or chunky weight yarn is recommended for beginners because it is easier to handle and allows you to see your stitches clearly. Choose needles that match the yarn's recommended size.
Cast on stitches. Casting on creates your first row of stitches. Common methods include the long-tail cast-on for a stretchy edge or the knitted cast-on, which is often considered easier for beginners to learn.
Knit in garter stitch. Garter stitch is the simplest pattern, created by knitting every stitch in every row. This produces a flat, reversible fabric that does not curl at the edges.
Bind off and finish. When the scarf is long enough, bind off (or cast off) your stitches to prevent unraveling. Use a tapestry needle to weave in any remaining yarn tails for a clean finish.