The refurbished Dell OptiPlex 9020 Desktop sold by SKYTECH USA is flawless and looks brand new.The tower is clean inside an out, not a nick or dent. The Dell service tag number is still valid and printed on the tower and showed in the BIO’s. The computer comes with a user guide, manufacture warranty, and a little Amazon renewed 90-day guarantee.The Dell service tag number can be used to create the original recovery software on USB using the Dell OS recovery tool.The computer was packaged very well, and SKYTECH USA did a fantastic job.This was a Fantastic deal.  90-day guarantee you can't go wrong.Thanks Amazon, and SKYTECH for a great deal.SincerelyTom W