![Which of the following is the most important to install and keep up to date on your personal computer?](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Which-of-the-following-is-the-most-important-to-install-and-keep-up-to-date-on-your-personal-computer.png)
Q. Which of the following is the most important to install and keep up to date on your personal computer?
A. Anti-virus and anti-spyware software
B. A Firewall
C. Operating system updates
D. All of the above must be installed and kept up to date
Answer: All of the above must be installed and kept up to date