- Java Runtime Engine (JRE)
- Adobe Reader/Acrobat
- Adobe Flash Player
It is also important to have some sort of anti-virus installed on your PC and it should be set up to scan on a regular schedule and keep the signatures up to date. I also recommend that you install a great malware removal tool called Malwarebytes Anti-malware. Download and install the free version. You can find it here.
Lastly, your actions can go a long ways in keeping malware off your PC. Knowing if you should click or not IS a really big deal. If something doesn't look right it probably isn't.
These are just a few steps you can take to keep malicious software from being installed on your PC. Protect your family and your financial health from the cyber attackers. Stay safe out there.