diff --git a/Contrib/nsDialogs/example.nsi b/Contrib/nsDialogs/example.nsi
index b304f501..55bca4f8 100644
--- a/Contrib/nsDialogs/example.nsi
+++ b/Contrib/nsDialogs/example.nsi
@@ -1,4 +1,3 @@
-
 !include nsDialogs.nsh
 !include LogicLib.nsh
 !include WinCore.nsh ; MAKELONG
diff --git a/Include/WinVer.nsh b/Include/WinVer.nsh
index c057b7b6..cb6f8e06 100644
--- a/Include/WinVer.nsh
+++ b/Include/WinVer.nsh
@@ -18,6 +18,8 @@
 ; AtLeastWin<version> checks if the installer is running on Windows version at least as specified.
 ; IsWin<version> checks if the installer is running on Windows version exactly as specified.
 ; AtMostWin<version> checks if the installer is running on Windows version at most as specified.
+; AtLeastBuild <number> checks if the installer is running on a Windows version with a minimum build number.
+; AtMostBuild <number> checks if the installer is running on a Windows version with a maximum build number.
 ;
 ; <version> can be replaced with the following values:
 ;
@@ -508,7 +510,13 @@
 !define WinVerGetMinor '!insertmacro __WinVer_GetVer $__WINVERV  16 ${_WINVER_MASKVMIN}'
 !define WinVerGetBuild '!insertmacro __WinVer_GetVer $__WINVERSP "" ${_WINVER_MASKVBLD}'
 
-# done
+!macro _WinVer_BuildNumCheck op num _t _f
+  !insertmacro _LOGICLIB_TEMP
+  ${WinVerGetBuild} $_LOGICLIB_TEMP
+  !insertmacro _${op} $_LOGICLIB_TEMP ${num} `${_t}` `${_f}`
+!macroend
+!define AtLeastBuild `U>= WinVer_BuildNumCheck `
+!define AtMostBuild `U<= WinVer_BuildNumCheck `
 
 !endif # !___WINVER__NSH___