The sock are knitted flat on a circular needle. You start at the sole and work back and forth in a U-shape. They can be knitted from scrap yarn, self-striping yarn or in solid color.
The pattern is written out row by row.
For the parts where I thought you might need a little extra explanation, I’ve also included YouTube video links.

Needles: US:0 UK:14 EU: 2 mm

Sizes:
US: 6.5, 7.5-8, 9-10
UK: 4.5, 5.5-6, 7-8
EU: 37, 38-39, 40-41

Gauge: 15 sts and 34 rows for 2x2 inches /5x5 cm in Garter stitch.
Gauge:16 sts and 23 rows for 2x2 inches/ 5x5 cm in Stockinette/Stocking stitch.

Garter stitch

Skill level: intermediate

Skills required: basic knitting, decrease, increase,short rows, double stitch.

Notions: Circular needle (≈ 40 inches/ 100 cm), stitch markers, tapestry needle.