I guess free options can also be in considertion for antivirus . Therefore i would recommend to check the comparison between Windoes defender and Avast as well. Specialy for windows, i strongly recommend WD as it is most compatiable
https://www.techlectual.com/windows-defender-vs-avast/ they can be very handy substitutes if you do not have enough money to continue with or choose antivirus like bitdefender, eset or kaspersky. Specially recent advanced features inclusion making Avast much more competitive with these top names.