Upgrade to 10.13.0
I'm trying to download MS Word to my "mid 2010" iMac. It says I need Sierra 10.13. So I find 10.13.6 and download that, which won't work without 10.13. So I find 10.13.2 and download that, which won't work without 10.13. I can't find a download for plain 10.13 anywhere! How do I get this version of Mac OS so I can use MS Word? This is getting ridiculous.
Windows, Windows 6