Safe/easy way to upgrade to Mojave on HP 8300?

I have a HP Compaq Elite 8300 SFF with High Sierra 10.13.1 running fine and smooth.

Just wondering

  • is there any issues running Mojave and if there's an easy way to upgrade
  • Is there a way to upgrade to Mojave without a fresh install?
  • I can't see any macOS updates in the app store but i found this manual download of it here would that work?

thanks!

submitted by /u/Hey_Papito
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