if you have windows 7 or vista both are different MSE is an anti-virus and windows defender is anti-spyware but if you have windows 8 they are the same all in one and it is MSE. like i said if you windows 7 or vista you can use both and if you have windows 8 MSE is both hope this helps. >>>>>> p.s both are NOT very good there are better !!!!
Answers & Comments
Verified answer
if you have windows 7 or vista both are different MSE is an anti-virus and windows defender is anti-spyware but if you have windows 8 they are the same all in one and it is MSE. like i said if you windows 7 or vista you can use both and if you have windows 8 MSE is both hope this helps. >>>>>> p.s both are NOT very good there are better !!!!
2
Neither is good
Avast! Free Antivirus is the best
http://www.avast.com/