It's not the end, there is more to do.
Most people put it in a niddy noddy. I hate them so I don't. I wind it into a skein on my swift instead (my picture did not turn out so I found this old picture as an example of wheel to swift skeining):
I put ties on it to keep it as a skein:
Wash the skein:
I soak it for about 20 minutes in soapy water:
Then I soak 2x in clear water to rinse.
Then roll in a towel it dry:
And lastly hang dry (this part takes a couple of days):
Well, not actually last, I still need to make it into a ball to knit from but it will take days to dry.