diff --git a/app/build_mac.sh b/app/build_mac.sh
index ba26fb1..67c38ab 100644
--- a/app/build_mac.sh
+++ b/app/build_mac.sh
@@ -1,3 +1,9 @@
 #!/bin/bash
 
-electron-packager . --overwrite --platform=darwin --arch=x64 --icon=assets/icons/icon.icns --prune=true --out=../dist
+./node_modules/.bin/electron-packager . --overwrite --platform=darwin --arch=x64 --icon=assets/icons/icon.icns --prune=true --out=../dist
+#build dmg for mac install
+mkdir ../dist/installers
+./node_modules/.bin/electron-installer-dmg ../dist/mcopy-darwin-x64 mcopy --out=../dist/installers  --icon=assets/icons/icon.icns        Path to the icon file that will be the app icon in the DMG window.
+#  --icon-size=<px>     How big to make the icon for the app in the DMG. [Default: `80`].
+#  --background=<path>  Path to a PNG image to use as the background of the DMG.
+#--overwrite          Overwrite any existing DMG.
\ No newline at end of file
diff --git a/app/build_win.sh b/app/build_win.sh
index 392c567..336cc8a 100644
--- a/app/build_win.sh
+++ b/app/build_win.sh
@@ -1,3 +1,5 @@
 #!/bin/bash
 
-./node_modules/.bin/electron-packager . mcopy --overwrite --asar=true --platform=win32 --arch=x64 --icon=assets/icons/win/icon.ico --prune=true --out=../dist --version-string.CompanyName="sixteenmillimeter.com" --version-string.FileDescription="Open Source Optical Printer Platform" --version-string.ProductName="mcopy"
\ No newline at end of file
+./node_modules/.bin/electron-packager . mcopy --overwrite --asar=true --platform=win32 --arch=x64 --icon=assets/icons/win/icon.ico --prune=true --out=../dist --version-string.CompanyName="sixteenmillimeter.com" --version-string.FileDescription="Open Source Optical Printer Platform" --version-string.ProductName="mcopy"
+
+mkdir ../dist/installers
\ No newline at end of file