diff --git a/Source/Tests/winver.nsi b/Source/Tests/winver.nsi
index 71778bbe..ec90f046 100644
--- a/Source/Tests/winver.nsi
+++ b/Source/Tests/winver.nsi
@@ -680,6 +680,24 @@ Section
 
 	!insertmacro TestWinVer "Windows Server 2008" 2008 1 server nt
 
+	#### WINDOWS 7 RC1
+
+	# OSVERSIONINFOEX
+	StrCpy $OSVERSIONINFOEX_RES 1
+	StrCpy $OSVERSIONINFOEX_CSD ""
+	StrCpy $OSVERSIONINFOEX_INIT "i 156, i 6, i 1, i 7100, i 2, &t128 s, &i2 0, &i2 0, &i2 256, &i1 1, &i1 0"
+	# 9c0000000600000001000000bc1b00000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010100
+
+	# OSVERSIONINFO
+	StrCpy $OSVERSIONINFO_RES 1
+	StrCpy $OSVERSIONINFO_CSD ""
+	StrCpy $OSVERSIONINFO_INIT "i 148, i 6, i 1, i 7100, i 2, &t128 s, &i2 28503, &i2 0, &i2 953, &i1 255, &i1 0"
+	# 940000000600000001000000bc1b0000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+
+	!insertmacro TestWinVer "Windows 7" 7 0 client nt
+
+	#### WINDOWS 7 x64 RC1
+
 	# OSVERSIONINFOEX
 	StrCpy $OSVERSIONINFOEX_RES 1
 	StrCpy $OSVERSIONINFOEX_CSD ""