diff --git a/indra/newview/installers/windows/installer_template.nsi b/indra/newview/installers/windows/installer_template.nsi
index 840203c1781bcb793d76d8d511dd84c688a21f89..f62a14d65fca4918209fb20cfb4deb7ffbde0fd8 100644
--- a/indra/newview/installers/windows/installer_template.nsi
+++ b/indra/newview/installers/windows/installer_template.nsi
@@ -18,8 +18,7 @@
 ;;
 ;; Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 ;;
-;; NSIS Unicode 2.46.5 or higher required
-;; http://www.scratchpaper.com/
+;; NSIS 3 or higher required for Unicode support
 ;;
 ;; Author: James Cook, TankMaster Finesmith, Don Kjer, Callum Prentice
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -27,6 +26,7 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Compiler flags
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+Unicode true
 SetOverwrite on				# Overwrite files
 SetCompress auto			# Compress if saves space
 SetCompressor /solid lzma	# Compress whole installer as one block
@@ -112,22 +112,8 @@ AutoCloseWindow true					# After all files install, close window
 !define MULTIUSER_INSTALLMODE_COMMANDLINE
 # appended to $PROGRAMFILES, as affected by MULTIUSER_USE_PROGRAMFILES64
 !define MULTIUSER_INSTALLMODE_INSTDIR "${INSTNAME}"
-
 # expands to !define MULTIUSER_USE_PROGRAMFILES64 or nothing
 %%PROGRAMFILES%%
-# Bug in MultiUser.nsh?! This reference:
-# http://nsis.sourceforge.net/Docs/MultiUser/Readme.html
-# says:
-# MULTIUSER_USE_PROGRAMFILES64 	Use $PROGRAMFILES64 instead of $PROGRAMFILES as the default all users directory.
-# Yet as far as I can tell from:
-# https://sourceforge.net/p/nsis/mailman/message/22246769/
-# (which contains a patch), that functionality has never been released with
-# NSIS. Instead of applying a patch to each developer machine and each
-# TeamCity build host, try overwriting $PROGRAMFILES with $PROGRAMFILES64?!
-!ifdef MULTIUSER_USE_PROGRAMFILES64
-  StrCpy $PROGRAMFILES $PROGRAMFILES64
-!endif
-
 # should make MultiUser.nsh initialization read existing INSTDIR from registry
 !define MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_KEY "${INSTNAME_KEY}"
 !define MULTIUSER_INSTALLMODE_INSTDIR_REGISTRY_VALUENAME ""
diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index 3e8bb388d2ca09756df419c6623e9538e520855d..32773b2c360fb9eed6ca79c036cad46646df4d9e 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -830,12 +830,10 @@ def package_finish(self):
             ):
             self.sign(exe)
             
-        # We use the Unicode version of NSIS, available from
-        # http://www.scratchpaper.com/
         # Check two paths, one for Program Files, and one for Program Files (x86).
         # Yay 64bit windows.
         for ProgramFiles in 'ProgramFiles', 'ProgramFiles(x86)':
-            NSIS_path = os.path.expandvars(r'${%s}\NSIS\Unicode\makensis.exe' % ProgramFiles)
+            NSIS_path = os.path.expandvars(r'${%s}\NSIS\makensis.exe' % ProgramFiles)
             if os.path.exists(NSIS_path):
                 break
         installer_created=False