User Account Control
operating systems , with a more relaxed version also present in Windows 7 , Windows Server 2008 R2 , Windows 8 , Windows Server 2012 and Windows 10 . 
<triplet> Windows 7 <subj> operating system <obj> instance of <subj> Windows 8 <obj> followed by <triplet> Windows Server 2008 R2 <subj> operating system <obj> instance of <subj> Windows Server 2012 <obj> followed by <triplet> Windows 8 <subj> operating system <obj> instance of <triplet> Windows 10 <subj> operating system <obj> instance of