Use a
full internet security suite
from a major vendor such as
Avira
,
Bitdefender
,
ESET
,
F-Secure
,
G Data
,
Kaspersky
,
McAfee
,
Sophos
,
Norton
, or
Trend Micro
. Check independent reviewers
AV-Comparatives.org
and
AV-Test.org
to find the best of the best.