diff --git a/sc2/build/win32_install/packages.nsh b/sc2/build/win32_install/packages.nsh
index 36893d516..609c0bafb 100644
--- a/sc2/build/win32_install/packages.nsh
+++ b/sc2/build/win32_install/packages.nsh
@@ -1,14 +1,14 @@
-# Autogenerated by procpkgs.cmd
+# Autogenerated by proppkgs.sh
 #
-!define PKG_CONTENT_FILE "uqm-0.7.0-content.uqm"
-!define PKG_CONTENT_MD5SUM "2f36dcb15274dbbcb5e266f2ed84d5b2"
-!define PKG_CONTENT_SIZE 11268
-!define PKG_3DOMUSIC_FILE "uqm-0.7.0-3domusic.uqm"
-!define PKG_3DOMUSIC_MD5SUM "86a5e376d9b76888add1d10818f0ab9f"
+!define PKG_CONTENT_FILE "uqm-0.8.0-content.uqm"
+!define PKG_CONTENT_MD5SUM "6cbc9d51fa63e07c0f4d1d061136d816"
+!define PKG_CONTENT_SIZE 11276
+!define PKG_3DOMUSIC_FILE "uqm-0.8.0-3domusic.uqm"
+!define PKG_3DOMUSIC_MD5SUM "9e5801d45ca12028b486cdeb83568c02"
 !define PKG_3DOMUSIC_SIZE 18535
-!define PKG_VOICE_FILE "uqm-0.7.0-voice.uqm"
-!define PKG_VOICE_MD5SUM "b78e0606325810f9f2e9ec786191c01b"
-!define PKG_VOICE_SIZE 112444
+!define PKG_VOICE_FILE "uqm-0.8.0-voice.uqm"
+!define PKG_VOICE_MD5SUM "fc89f77d7b66c2669abca6c157f5259a"
+!define PKG_VOICE_SIZE 112465
 !define PKG_REMIX1_FILE "uqm-remix-disc1.uqm"
 !define PKG_REMIX1_MD5SUM "09f242d8d72166d1d5ccbd3d99c93e7d"
 !define PKG_REMIX1_SIZE 49012
@@ -20,4 +20,4 @@
 !define PKG_REMIX3_SIZE 38989
 !define PKG_REMIX4_FILE "uqm-remix-disc4.uqm"
 !define PKG_REMIX4_MD5SUM "d3dc6036588662391a3820ca6b222dd6"
-!define PKG_REMIX4_SIZE 84517
\ No newline at end of file
+!define PKG_REMIX4_SIZE 84517
diff --git a/sc2/build/win32_install/procpkgs.cmd b/sc2/build/win32_install/procpkgs.cmd
deleted file mode 100755
index 12571fa97..000000000
--- a/sc2/build/win32_install/procpkgs.cmd
+++ /dev/null
@@ -1,70 +0,0 @@
-@echo off
-REM Generates a .nsh file for the NSIS Windows installer with MD5 checksums
-REM and file sizes of the UQM packages.
-REM CMD command extension must be enabled to use this script.
-REM The packages must be in the current directory.
-REM Uses GNU md5sum utility, such as in Cygwin, which you must have somewhere
-REM in PATH.
-
-setlocal
-
-set nsh_file=packages.nsh
-set md5_tool=md5sum
-set pkg_version=0.7.0
-
-set content_pkg=uqm-%pkg_version%-content.uqm
-set music_pkg=uqm-%pkg_version%-3domusic.uqm
-set voice_pkg=uqm-%pkg_version%-voice.uqm
-set remix1_pkg=uqm-remix-disc1.uqm
-set remix2_pkg=uqm-remix-disc2.uqm
-set remix3_pkg=uqm-remix-disc3.uqm
-set remix4_pkg=uqm-remix-disc4.uqm
-
-call :check_exists %content_pkg%
-call :check_exists %music_pkg%
-call :check_exists %voice_pkg%
-call :check_exists %remix1_pkg%
-call :check_exists %remix2_pkg%
-call :check_exists %remix3_pkg%
-REM call :check_exists %remix4_pkg%
-
-call :check_md5_tool
-
-echo # Autogenerated by procpkgs.cmd>%nsh_file%
-echo #>>%nsh_file%
-
-call :process_pkg %content_pkg% PKG_CONTENT
-call :process_pkg %music_pkg% PKG_3DOMUSIC
-call :process_pkg %voice_pkg% PKG_VOICE
-call :process_pkg %remix1_pkg% PKG_REMIX1
-call :process_pkg %remix2_pkg% PKG_REMIX2
-call :process_pkg %remix3_pkg% PKG_REMIX3
-REM call :process_pkg %remix4_pkg% PKG_REMIX4
-
-echo All packages processed. %nsh_file% generated.
-exit 0
-
-:process_pkg
-setlocal
-echo Processing %1...>&2
-echo !define %2_FILE "%1">>%nsh_file%
-for /f %%s in ('%md5_tool% %1') do (set md5=%%s)
-echo !define %2_MD5SUM "%md5%">>%nsh_file%
-for /f "tokens=4" %%s in ('dir /n /-c %1 ^|find "%1"') do (set size=%%s)
-set /a size/=1024
-echo !define %2_SIZE %size%>>%nsh_file%
-endlocal
-goto :eof
-
-:check_exists
-if not exist %1 (echo %1 not found & exit 1)
-goto :eof
-
-:check_md5_tool
-setlocal
-echo Checking for GNU %md5_tool%...>&2
-%md5_tool% --version >nul 2>&1 || (echo GNU %md5_tool% not found & exit 1)
-for /f %%s in ('echo foo^|%md5_tool%') do (set md5=%%s)
-if not "%md5%"=="2145971cf82058b108229a3a2e3bff35" (echo %md5_tool% is not GNU or does not operate correctly & exit 1)
-endlocal
-goto :eof
diff --git a/sc2/build/win32_install/procpkgs.sh b/sc2/build/win32_install/procpkgs.sh
new file mode 100755
index 000000000..366690583
--- /dev/null
+++ b/sc2/build/win32_install/procpkgs.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+#
+# Generates a .nsh file for the NSIS Windows installer with MD5 checksums
+# and file sizes of the UQM packages.
+#
+# Run this from an MSYS2 bash shell.
+#
+# The packages must be in the current directory.
+#
+# The awk, md5sum, and wc utilities must be installed, but MSYS2
+# should generally already have those in your path.
+
+NSH_FILE="packages.nsh"
+PKG_VERSION="0.8.0"
+
+CONTENT_PKG="uqm-$PKG_VERSION-content.uqm"
+MUSIC_PKG="uqm-$PKG_VERSION-3domusic.uqm"
+VOICE_PKG="uqm-$PKG_VERSION-voice.uqm"
+REMIX1_PKG="uqm-remix-disc1.uqm"
+REMIX2_PKG="uqm-remix-disc2.uqm"
+REMIX3_PKG="uqm-remix-disc3.uqm"
+REMIX4_PKG="uqm-remix-disc4.uqm"
+
+check_pkg() {
+    if [ ! -f "$1" ]; then
+        echo $1 not found.
+        exit 1
+    fi
+}
+
+process_pkg() {
+    echo Processing $1...
+    local SUM=`md5sum "$1" | awk '{print $1}'`
+    local SZ=`wc -c "$1" | awk '{print $1}'`
+    SZ=$(( SZ / 1024 ))
+    echo "!define $2_FILE \"$1\"" >> $NSH_FILE
+    echo "!define $2_MD5SUM \"$SUM\"" >> $NSH_FILE
+    echo "!define $2_SIZE $SZ" >> $NSH_FILE
+}
+
+check_pkg $CONTENT_PKG
+check_pkg $MUSIC_PKG
+check_pkg $VOICE_PKG
+check_pkg $REMIX1_PKG
+check_pkg $REMIX2_PKG
+check_pkg $REMIX3_PKG
+check_pkg $REMIX4_PKG
+
+echo "# Autogenerated by proppkgs.sh" > $NSH_FILE
+echo "#" >> $NSH_FILE
+process_pkg $CONTENT_PKG PKG_CONTENT
+process_pkg $MUSIC_PKG PKG_3DOMUSIC
+process_pkg $VOICE_PKG PKG_VOICE
+process_pkg $REMIX1_PKG PKG_REMIX1
+process_pkg $REMIX2_PKG PKG_REMIX2
+process_pkg $REMIX3_PKG PKG_REMIX3
+process_pkg $REMIX4_PKG PKG_REMIX4
+
+echo All packages processed. ${NSH_FILE} generated.