When Does Free Windows 10 Upgrade End

[Steven_87]

What is the actual day for the Windows 10 Upgrade to end?

 

[rgd1101]

end of july 2016

 

[USAFRet]

What is the actual day for the Windows 10 Upgrade to end?

http://windows.microsoft.com/en-us/windows-10/upgrade-to-windows-10-faq
"The free upgrade offer to Windows 10 will end on July 29, 2016."

Your system must be Upgraded and activated before then. I'd advise not waiting until the last day. The servers will probably be quite busy, and you might miss it.