Install an anti-virus program
One of the most important ways to increase your digital security is to have an anti-virus program installed. The best anti-virus programs can prevent 99.99% of known viruses. With a quality program installed, your computer will be protected from viruses, spyware, spam, and even pop ups. If infected with a virus, there are a number harmful things that can happen to your computer such as running slowly, personal information being stolen, or you could be used as a host to attack other machines.
However, you can’t always rely on JUST having an anti-virus program, get professional help from someone who knows online security like the back of their hand.