Tap or clickChoose how updates get installed.
UnderImportant updates, choose the option that you want.
UnderRecommended updates, select theGive me recommended updates the same way I receive important updatescheck box.
That should trigger the Windows 10 download.
Now return back to the Windows Update and click Check for updates on the left hand side.
Sit back now your are the proud owner of Microsofts latest Windows 10 PC.
source: www.techworm.net