I used to put off updates. A prompt would appear in the middle of work, I would click remind me later, and then I would forget about it for weeks. Nothing seemed to happen in the meantime, so delaying felt harmless. What I did not understand then was that an update is rarely just about a new feature. Most of the time, it is a fix for a hole that someone has already found.
That is the risk in plain words. Software has flaws, and when a flaw becomes known, attackers can build tools to exploit it quickly. If your computer, phone, or website is still running the old version after a fix is available, you are not facing a theoretical problem. You are running a version with a known weakness, in a world where the fix is public knowledge.
The risk in plain words
Most attacks do not use some brilliant new technique. They reuse known, already-patched holes, because that is efficient. Attackers scan for systems that have not been updated, and they try the same methods against many targets at once. You do not have to be important or interesting to be found. You only have to be unpatched and reachable.
This applies to more than your laptop. Your phone, your browser, your router, your plugins, and the apps you use every day all get updates for the same reason. A single outdated piece can be the way in, even if everything else is current. I learned to stop thinking of updates as optional polish, and start thinking of them as closing doors that I know are open.
How it actually works
When a vendor discovers or is told about a vulnerability, it usually releases a patch and describes the problem in general terms. That description helps defenders understand what to fix, but it also tells attackers where to look in the old version. From that point, the clock is running. Systems that update promptly close the hole. Systems that wait remain exposed, and automated scanning makes it easy to find them.
Patching discipline is therefore a race, but a manageable one. The attacker does not need to find a new flaw in your system. They only need to find an old flaw you have not fixed yet. That is why guidance from agencies and vendors, in general terms, keeps coming back to the same point: install updates promptly, especially for software that faces the internet, and do not leave known fixes sitting uninstalled.
What to actually do about it
First, turn on automatic updates wherever you reasonably can: your operating system, your browser, your phone, and your apps. Automatic updates remove the decision I used to get wrong, which was to delay and forget. For a personal site, that includes automatic updates for WordPress itself and for plugins and themes where the option is offered, with backups in place in case an update causes a problem.
Second, make a short, regular routine for the things that do not update themselves. Once a week, check for updates on your devices, your router, and any software you use for work. Install them, restart when asked, and do not leave a pending restart hanging for days. A patch that is downloaded but not applied because you never restarted has not protected you yet.
Third, reduce what needs patching. Remove apps, browser extensions, and plugins you no longer use. Every extra piece of software is another thing to keep current and another potential hole. If you have old, unsupported software that no longer receives updates, treat that as a decision point: replace it, isolate it, or stop using it for anything important.
Finally, keep a backup before major updates, so a bad update is an inconvenience instead of a crisis. Then update promptly, even when it is annoying. Updates are not the whole of security, but they are the foundation. If I had to pick one habit that does the most work for the least effort, it would be this: stop clicking remind me later, and let the fix do its job.