diff --git a/nsis/SharedDefs.nsh b/nsis/SharedDefs.nsh
index ec51ad8ae4..398f00a84e 100644
--- a/nsis/SharedDefs.nsh
+++ b/nsis/SharedDefs.nsh
@@ -41,8 +41,8 @@ Name "${APP_NAME}"
 Function IsUserAdmin
 !include WinVer.nsh
 # No user should ever have to experience this pain ;)
-  ${IfNot} ${AtLeastWinVista}
-    MessageBox MB_OK "Your operating system is unsupported by PCSX2. Please upgrade your operating system or install PCSX2 1.4.0."
+  ${IfNot} ${AtLeastWin8.1}
+    MessageBox MB_OK "Your operating system is unsupported by PCSX2. Please upgrade your operating system or install PCSX2."
     Quit
   ${EndIf}
 
@@ -53,7 +53,7 @@ Pop $UserPrivileges
   # current thread/process. If the user tokens were elevated or limited for
   # this process, GetOriginalAccountType will return the non-restricted
   # account type.
-  # On Vista with UAC, for example, this is not the same value when running
+  # On Windows with UAC, for example, this is not the same value when running
   # with `RequestExecutionLevel user`. GetOriginalAccountType will return
   # "admin" while GetAccountType will return "user".
   ;UserInfo::GetOriginalAccountType