Xfce's built-in screenshot tool is OK, but it doesn't do much beyond letting you choose between capturing windows, sections ...
Both Rhino Linux and EndeavorOS are rolling release distros. Rhino Linux is based on Ubuntu, and EndeavorOS is based on Arch Linux. One of these distros has the edge for those who are newer to Linux.
Once installed, press Ctrl+Space to launch Ulauncher and start searching through your list of installed apps or even run web ...
You can revive your aging PC with a lightweight Linux distro such as Puppy Linux and Linux Lite. But which one should you choose?