On Windows 11 or any version of the operating system, it's a matter of time before you notice a decline in speed and responsiveness. Usually, this happens due to misconfiguration, compatibility issues, bugs, malware, hardware problems, and so on.
When your computer starts showing signs of performance issues, there are several tweaks that you can implement to make the device faster before considering a replacement. (If you have had the same computer for more than four years, then yes, there's a good chance that an upgrade is on the table.)
