diff --git a/app/build.sh b/app/build.sh
index 01b965effb..3d6b344f6d 100755
--- a/app/build.sh
+++ b/app/build.sh
@@ -638,7 +638,7 @@ if [ $BUILD_WIN == 1 ]; then
 	
 	fi
 	
-	for arch in "win32" "win-x64"; do
+	for arch in win32 win-x64 win-aarch64; do
 		echo "Building Zotero_$arch"
 		
 		runtime_path="${WIN_RUNTIME_PATH_PREFIX}${arch}"
@@ -715,10 +715,16 @@ if [ $BUILD_WIN == 1 ]; then
 		cp -RH "$CALLDIR/modules/zotero-word-for-windows-integration/install" "$APPDIR/integration/word-for-windows"
 		if [ $arch = 'win32' ]; then
 			rm "$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration_x64.dll"
+			rm "$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration_ARM64.dll"
 		elif [ $arch = 'win-x64' ]; then
 			mv "$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration_x64.dll" \
 				"$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration.dll"
-		fi	
+			rm "$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration_ARM64.dll"
+		elif [ $arch = 'win-aarch64' ]; then
+			mv "$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration_ARM64.dll" \
+				"$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration.dll"
+			rm "$APPDIR/integration/word-for-windows/libzoteroWinWordIntegration_x64.dll"
+		fi
 		
 		# Delete extraneous files
 		find "$APPDIR" -depth -type d -name .git -exec rm -rf {} \;
@@ -733,6 +739,9 @@ if [ $BUILD_WIN == 1 ]; then
 					"`cygpath -u \"${NSIS_DIR}makensis.exe\"`" /V1 "`cygpath -w \"$BUILD_DIR/win_installer/uninstaller.nsi\"`"
 				elif [ "$arch" = "win-x64" ]; then
 					"`cygpath -u \"${NSIS_DIR}makensis.exe\"`" /DHAVE_64BIT_OS /V1 "`cygpath -w \"$BUILD_DIR/win_installer/uninstaller.nsi\"`"
+				elif [ "$arch" = "win-aarch64" ]; then
+					# TODO
+					"`cygpath -u \"${NSIS_DIR}makensis.exe\"`" /DHAVE_64BIT_OS /V1 "`cygpath -w \"$BUILD_DIR/win_installer/uninstaller.nsi\"`"
 				fi
 
 				mv "$BUILD_DIR/win_installer/helper.exe" "$APPDIR/uninstall"
@@ -753,6 +762,8 @@ if [ $BUILD_WIN == 1 ]; then
 					INSTALLER_PATH="$DIST_DIR/Zotero-${VERSION}_win32_setup.exe"
 				elif [ "$arch" = "win-x64" ]; then
 					INSTALLER_PATH="$DIST_DIR/Zotero-${VERSION}_x64_setup.exe"
+				elif [ "$arch" = "win-aarch64" ]; then
+					INSTALLER_PATH="$DIST_DIR/Zotero-${VERSION}_aarch64_setup.exe"
 				fi
 				
 				if [ $SIGN -eq 1 ]; then
@@ -779,6 +790,9 @@ if [ $BUILD_WIN == 1 ]; then
 					"`cygpath -u \"${NSIS_DIR}makensis.exe\"`" /V1 "`cygpath -w \"$BUILD_DIR/win_installer/installer.nsi\"`"
 				elif [ "$arch" = "win-x64" ]; then
 					"`cygpath -u \"${NSIS_DIR}makensis.exe\"`" /DHAVE_64BIT_OS /V1 "`cygpath -w \"$BUILD_DIR/win_installer/installer.nsi\"`"
+				elif [ "$arch" = "win-aarch64" ]; then
+					# TODO
+					"`cygpath -u \"${NSIS_DIR}makensis.exe\"`" /DHAVE_64BIT_OS /V1 "`cygpath -w \"$BUILD_DIR/win_installer/installer.nsi\"`"
 				fi
 
 				mv "$BUILD_DIR/win_installer/setup.exe" "$INSTALLER_STAGE_DIR"
diff --git a/app/modules/zotero-word-for-windows-integration b/app/modules/zotero-word-for-windows-integration
index 707486a735..a71597746b 160000
--- a/app/modules/zotero-word-for-windows-integration
+++ b/app/modules/zotero-word-for-windows-integration
@@ -1 +1 @@
-Subproject commit 707486a73563a73db1406fc77e28090bda28c6ab
+Subproject commit a71597746b4b4303bb8b13cdd9c0ce020e3488de
diff --git a/app/scripts/fetch_xulrunner b/app/scripts/fetch_xulrunner
index 2c97430afd..a1aced6103 100755
--- a/app/scripts/fetch_xulrunner
+++ b/app/scripts/fetch_xulrunner
@@ -446,7 +446,7 @@ if [ $BUILD_WIN == 1 ]; then
 	GECKO_VERSION="$GECKO_VERSION_WIN"
 	DOWNLOAD_URL="https://ftp.mozilla.org/pub/firefox/releases/$GECKO_VERSION"
 	
-	for arch in win32 win-x64; do
+	for arch in win32 win-x64 win-aarch64; do
 		xdir=firefox-$arch
 		
 		rm -rf $xdir
@@ -458,6 +458,8 @@ if [ $BUILD_WIN == 1 ]; then
 		else
 			if [ $arch = "win-x64" ]; then
 				curl -O "$DOWNLOAD_URL/win64/en-US/Firefox%20Setup%20$GECKO_VERSION.exe"
+			elif [ $arch = "win-aarch64" ]; then
+				curl -O "$DOWNLOAD_URL/win64-aarch64/en-US/Firefox%20Setup%20$GECKO_VERSION.exe"
 			else
 				curl -O "$DOWNLOAD_URL/$arch/en-US/Firefox%20Setup%20$GECKO_VERSION.exe"
 			fi
diff --git a/app/win/updater.exe.tar.xz b/app/win/updater.exe.tar.xz
index 6f8c75a89b..7796e98a8f 100644
--- a/app/win/updater.exe.tar.xz
+++ b/app/win/updater.exe.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:23186030edd8b75f4de3d1ed50632cd20f38c55e6bcb693abd1e9d5e5428d878
-size 258844
+oid sha256:785b322c976c830510f95205f312fe23297fd8e70b5e5f5cce96544aaf3389da
+size 363244
diff --git a/app/win/zotero.exe.tar.xz b/app/win/zotero.exe.tar.xz
index eaf36223a3..369622c21c 100644
--- a/app/win/zotero.exe.tar.xz
+++ b/app/win/zotero.exe.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:601b33fd33765e0c29ed347c47cae850fce1f13e85f109e6a9ed8c9e8b564615
-size 421268
+oid sha256:81bf7d4bcc04e9a6039d52289ec3f137631f0b51ad231c4f9a20d027be861f25
+size 507412