Do at your own risk as may break system packages and only attempt to upgrade from bookworm
This is a short guide on to upgrade your system to Debian 13 which is testing and packages are a lot more up to date for example newer packages needs Debian 13. You can do it from pretty much any version to start run this command.
Replace where it says your Debian version code name that you have installed to trixie e.g (here are the bookworm ones)
To
Enter these commands to upgrade
Then reboot your system and run neofetch to double check and you should have Debian 13.