Choosing the right computer operating system for your needs can be a difficult task, as there are so many options available. Whether you're looking for a cheap laptop or a high-performance gaming rig, each operating system has its strengths and weaknesses to consider.
Why should you use Windows?

Windows remains the most popular desktop operating system for a good reason. When shopping for a new Windows computer, you'll find a wide variety of hardware options. Whether you're looking for a cheap $300 laptop for basic tasks or a high-end gaming PC for more than $2,000, there's a suitable option.
If you primarily use Microsoft applications or rely on older or specialized software, Windows may be the best choice. It also offers excellent support, with plenty of online resources and well-documented fixes for any problems that may arise. If you're used to using Windows for a long time, you should continue to stick with it unless you really want to change, because it works well with most workflows and is quite flexible.
If you are a gamer, especially one who plays multiplayer games, you should choose Windows without a second thought. It's the default operating system for games, and while Linux gaming has made significant advances in recent years, it still struggles with multiplayer games.
Why should you use macOS?

If you're already invested in the Apple ecosystem, macOS is definitely worth considering. It integrates well with your Apple devices and unlocks the entire feature set of the Apple ecosystem, such as the ability to project your screen and control your iPhone right from your Mac. From experience, it's also the easiest operating system to use, so Mac is recommended for anyone who's not tech-savvy.
If you are looking to buy a laptop, you should consider the MacBook, because this is one of the best laptops today. Especially considering the balance between efficiency and performance they offer, which is rare in Windows laptops.
You should also choose macOS if you primarily work with apps like Xcode or Final Cut Pro, because you can't use them anywhere but on your Mac. Keep in mind that you don't have many options when configuring your Mac, and the hardware can be a bit expensive.
Why should you use Linux?

If you like tinkering with your system and customizing it to fit your needs, Linux is the operating system worth checking out. Although Linux itself is not an operating system, it is at the core of many different distributions, each with its own features.
There are several Linux distributions that are perfect for Windows users considering making the switch. What's even better is that most distributions are completely free, so you don't need to buy a new device to test out Linux and can even install it right on your existing machine.
Linux is also great for restoring old hardware. If you have an outdated computer that struggles with Windows, a lightweight Linux distribution can help you reuse it for simple tasks like browsing the web or checking email.
If you're not ready to commit fully, you can dual-boot Ubuntu with Windows and enjoy the benefits of both operating systems. Gaming on Linux has also improved a lot, with Proton allowing you to play most Windows games through Steam. Before switching, you should check out ProtonDB to see how your favorite games perform.
Why should you use ChromeOS?

If you're a parent looking for a laptop for your high school child, you've probably heard of Chromebooks. They are popular in schools because they are easy to manage remotely, making it easy for schools to monitor multiple devices. Plus, most Chromebooks are affordable, typically ranging from $200 to $300. This makes them perfect for active kids, as replacing a broken device isn't too expensive.
However, ChromeOS isn't just for kids. If your work primarily involves using a browser for tasks like writing documents, this is a great choice. It's easy to use and works well even on low-end hardware. This is also a solid choice if you use an Android phone and rely on apps like Google Docs and Google Drive. You get an ecosystem similar to Apple's, although not as feature-rich.
However, app support is limited, mostly limited to Chrome and compatible Android apps. Plus, most Chromebooks aren't powerful enough for more demanding tasks like video editing. If you're not sure, you can try ChromeOS Flex on your old laptop – it's essentially ChromeOS without Android app support.
In short, deciding which operating system is right depends on your workflow and budget.