I think I delete The last one.......I have call of duty:black ops .my pc die.I put back black ops,and 2nd add on.I need to download the 1st add on.Idid pay for all.I download it online..(michael53420)>>>> firstname.lastname@example.org<<<<thank you for any help.Mike
More aboutsteam account help
You need to contact Steam about any and all questions, with the exception of technical questions.
If you got it all through Steam, it should show up in your Library tab in steam. At that point, you can download it again.
Steam does NOT limit your downloads of items you've purchased.