Here are all the official Win10 links I can find.
If you’ve got one I don’t, please let me know.
Tool To Download Windows 10 ISOs
http://blogs.windows.com/launch/
Windows 10 Quick Guide
http://www.microsoft.com/en-us/windows/windows-10-specifications
http://www.microsoft.com/en-us/windows/windows-10-faq
http://www.microsoft.com/en-us/windows/features
http://www.microsoft.com/en-us/windows/windows-10-upgrade
http://blogs.windows.com/blog/tag/windows-10/
http://www.microsoft.com/en-us/windows
How to manage Windows 10 notification and upgrade options (This is for IT guys)