How I can cancel 1 year subscription of 24 hour support ?

I am not need this service anymore.
Is it possible to rollback - cancel subscription and return back some part money of cost this service ?
Thanks!

https://www.avast.com/faq.php?article=AVKB24#artTitle (Orders and Renewals)

Over two weeks ago you where asked something but never responded.

https://forum.avast.com/index.php?topic=198855.msg1377653#msg1377653