iMac Early 2008 or 2009

iMac Early 2008 or 2009

I forgot what model this is but this iMac is something i need gone asap. I uninstalled everything but i’m unable to reinstall the software since i don’t own a copy of it. The only problem it has is a few scratches and a small clicking noise but it can be mostly silenced by tilting the computer up. comes with power cable and keyboard.
WILL TRY TO FIND SPECIFIC SPECS UPON REQUEST