Software has flaws. Hackers take advantage of flaws. That’s why it is important to update your software when updates are available.
For Windows, Automatic Updates does that for you.
Other programs may require you to do that yourself.
Some programs display a “pop-up message” when an update is detected. But how do you know it’s safe and not someone trying to infect your computer?
Go to the official site for the software and download from there.