I would suggest both are good, but keeping in mind the requirement for yourself. I would apply Norton, if you want everything, but the system will go slow more than a tortoise. Avast though there is a lite version, has its backlogs, like it cannot detect all the malwares & horses.
However, I would still suggest go for ESET Nod 32, along with Malware Byte AntiMalware Bytes.
Hope this helps!