i think avg free is the best option if you want free protection.
for paid one i will go for eset smart security sign up for a 30 day trial verison. at the end you will get around 40% discount "hot deal".
you can use kmspico "activator" to activate windows 8 or 10 for free
to save more shekels.
Sun Tzu 'Appear weak when you are strong, and strong when you are weak.'
If he is secure at all points, be prepared for him. If he is superior in strength, evade him.