Anti virus Software

1) McAfee security center
Pros:
Updates weekly
Doesn't take up allot of memory which won't slow down the performance of your computer
Affordable to get for 1 - 3 years
Setting can be used to update automatically
Cons:
McAfee can become overprotecive when it comes to detecting viruse ( meaning it can flag some programs as viruses when they really are not)
2)Norton antivirus
Pros:

-One of the most popular antivirus programs

-Updates daily

-Settings can be set to update automatically

Cons:
-Slightly expensive
-Takes up allot of memory on the computer