The pi computers run a version of Linux. If you like Windows better, I bought an amazingly cheap but fairly powerful low power Windows 11 computer for $150 recently which is not much more money than the pi and doesn't use that much more electricity either. You can also run that 24/7.
My post on that computer:
https://peakd.com/hive-193552/@kenny-crane/actifit-kenny-crane-20231001t094619686z