Hi rpj75,
What is your current situation?
Just as told by Cyber_Defend_Team, if you are running Windows 10 install Media, it will first check the compatibility.
For the other compatibility tools, I didn't noticed recently.
There is upgrade assistant available for upgrading to Windows 8.1, and upgrade report for non-enterprise users regarding Windows 10:
Upgrade Assistant: FAQ
http://windows.microsoft.com/en-sg/windows-8/upgrade-assistant-download-online-faq
Compatibility report for Windows 10: FAQ
http://windows.microsoft.com/en-sg/windows-10/compatibility-report-windows-10
If you need any further help regarding this topic, please post back.
Regards
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