system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do computers get slower?
gpt
Because over time more features are added to the operating system and apps as updates. This happens because there is always pressure to add more capabilities, to stay competitive.

If you could take an older slow computer and reset its software to exactly the same as was when it was new, it would have the same speed as when it was new.