Can I bring my potted licorice plant indoors for the winter?
Yes, this plant can be brought indoors and kept as a houseplant during the winter.
Plant is inside at south and west windows
This appears to be from overwatering. Treatment from here will be a fungicide.
This article will help: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
These plants get a little fussy in container. They will need to dry out pretty thoroughly between each watering, and even let to dry for some portions of the year. This article will offer more information on how to care for these plants indoors: