Alocasias need bright, but indirect light. This is due to the plant's natural habitat, on the forest floor beneath the tree canopy. Direct sun will cause the leaves to burn. This plant is not tolerant of lower light conditions though, so make sure the space you're placing yours in feels very bright. Alocasias are native to — and grow best — in humid environments, so avoid placing yours near to an A/C or a heater if possible.
They like soil a little on the drier side, but require high humidity to prosper. For watering, allow the top 2-3" to dry between watering to ensure the plant isn't sitting in soil that is too wet. During the winter, Alocasias will go through a dormancy period and will require less frequent waterings as the soil will take longer to dry. Alocasias can be susceptible to root rot and fungal infections if their soil doesn't have proper drainage and becomes waterlogged.
Rotate your plant periodically to ensure even growth on all sides and dust the leaves often so the plant can photosynthesize efficiently.