Redeeming an ESET key is really simple, just follow these steps:
ESET Internet Security - HERE
ESET NOD32 Antivirus - HERE
ESET Smart Security Premium - HERE (Use a VPN for India for activation)
The keys have to be activated inside the software client.
In case of a problem with activation, please select Canada as a country and try again.
ESET Internet Security Activation Step-by-step
The key is not working
If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions: