diff --git a/Scripts/install-dependencies.sh b/Scripts/install-dependencies.sh
index d8d4f13..e72ab05 100644
--- a/Scripts/install-dependencies.sh
+++ b/Scripts/install-dependencies.sh
@@ -47,10 +47,9 @@ then
     yum install -y https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
     yum install -y https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
     yum install -y libjpeg-devel libjpeg-turbo-devel libpng-devel libgeotiff-devel libdc1394-devel ffmpeg-devel tbb-devel mesa-libGL libgdiplus wget
+else
+    echo "Error: Base operative system / package manager not identified, nothing was installed"
+    exit -1
 fi
 
-if [ "$osVariant" == "" ]; then
-    echo "Error: Base operative system / package manager not identified, nothing was installed"
-else
-    echo "Completed: You can now run UVtools"
-fi
+echo "Completed: You can now run UVtools"
diff --git a/Scripts/install-uvtools.sh b/Scripts/install-uvtools.sh
index 5bc30ee..e1b38c3 100644
--- a/Scripts/install-uvtools.sh
+++ b/Scripts/install-uvtools.sh
@@ -5,6 +5,7 @@
 # Then run this script
 # usage 1: ./install-uvtools.sh
 #
+
 cd "$(dirname "$0")"
 arch_name="$(uname -m)" # x86_64 or arm64
 osVariant=""            # osx, linux, arch, rhel
@@ -34,7 +35,7 @@ if [ "${OSTYPE:0:6}" == "darwin" ]; then
         echo "Error: Unable to install, UVtools requires at least macOS $macOS_least_version."
         exit -1
     fi
-    
+
     if [ -z "$(command -v brew)" ]; then
         bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
         if [ -f "/opt/homebrew/bin/brew" -a -z "$(command -v brew)" ]; then
@@ -56,15 +57,22 @@ if [ "${OSTYPE:0:6}" == "darwin" ]; then
         # arm64: Create script on user desktop to run UVtools
         if [ "$arch_name" == "arm64" ]; then
             run_script="$HOME/Desktop/run-uvtools.sh"
-            echo "#!/bin/bash
-bash '$appPath/Contents/MacOS/UVtools.sh' &" > "$run_script"
+            echo '#!/bin/bash
+if [ -f "$appPath/Contents/MacOS/UVtools.sh" ]; then
+    bash "$appPath/Contents/MacOS/UVtools.sh" &
+elif [ -f "UVtools.app/Contents/MacOS/UVtools.sh" ]; then
+    bash "UVtools.app/Contents/MacOS/UVtools.sh" &
+else
+    echo "Error: UVtools.app not found on known paths"
+fi
+' > "$run_script"
             chmod a+x "$run_script"
             echo "Note: Always run 'bash run-uvtools.sh' from desktop to run UVtools on your mac arm64!"
         fi
 
         if [ -f "$appPath/Contents/MacOS/UVtools.sh" ]; then
             bash "$appPath/Contents/MacOS/UVtools.sh" & 
-        else
+        elif [ -d "$appPath" ]; then
             open "$appPath"
         fi
     fi
@@ -72,19 +80,19 @@ bash '$appPath/Contents/MacOS/UVtools.sh' &" > "$run_script"
     exit 1
 elif command -v apt-get &> /dev/null
 then
-	osVariant="linux"
+    osVariant="linux"
     [ -z "$(command -v wget)" ] && sudo apt-get install -y wget
-	[ -z "$(command -v curl)" ] && sudo apt-get install -y curl
+    [ -z "$(command -v curl)" ] && sudo apt-get install -y curl
 elif command -v pacman &> /dev/null
 then
-	osVariant="arch"
-	[ -z "$(command -v wget)" ] && sudo pacman -S wget
-	[ -z "$(command -v curl)" ] && sudo pacman -S curl
+    osVariant="arch"
+    [ -z "$(command -v wget)" ] && sudo pacman -S wget
+    [ -z "$(command -v curl)" ] && sudo pacman -S curl
 elif command -v yum &> /dev/null
 then
-	osVariant="rhel"
-	[ -z "$(command -v wget)" ] && sudo yum install -y wget
-	[ -z "$(command -v curl)" ] && sudo yum install -y curl
+    osVariant="rhel"
+    [ -z "$(command -v wget)" ] && sudo yum install -y wget
+    [ -z "$(command -v curl)" ] && sudo yum install -y curl
 fi
 
 if [ -z "$osVariant" ]; then
@@ -95,7 +103,7 @@ fi
 echo "- Detected: $osVariant $arch_name"
 
 if [ -z "$(ldconfig -p | grep libpng)" -o -z "$(ldconfig -p | grep libgdiplus)" -o -z "$(ldconfig -p | grep libavcodec)" ]; then
-	echo "- Missing dependencies found, installing..."
+    echo "- Missing dependencies found, installing..."
     sudo bash -c "$(curl -fsSL $dependencies_url)"
 fi
 
@@ -128,10 +136,10 @@ if [ -d "$HOME/Applications" ]; then
     rm -f "$HOME/Applications/UVtools_*.AppImage"
     
     echo "- Moving $filename to $HOME/Applications"
-	mv -f "$tmpfile" "$HOME/Applications"
+    mv -f "$tmpfile" "$HOME/Applications"
     
-	"$HOME/Applications/$filename" &
-	echo "If prompt for 'Desktop integration', click 'Integrate and run'"
+    "$HOME/Applications/$filename" &
+    echo "If prompt for 'Desktop integration', click 'Integrate and run'"
 else 
     echo "- Removing old versions"
     rm -f UVtools_*.AppImage
diff --git a/build/libcvextern.sh b/build/libcvextern.sh
index 5b4ee65..0c0dbac 100644
--- a/build/libcvextern.sh
+++ b/build/libcvextern.sh
@@ -12,8 +12,9 @@ cd "$(dirname "$0")"
 directory="emgucv"
 arch_name="$(uname -m)"
 osVariant=""
+$build_package="mini"   # mini, micro, full
 
-if [[ "$arch_name" != "x86_64" && "$arch_name" != "arm64" ]]; then
+if [ "$arch_name" != "x86_64" -a "$arch_name" != "arm64" ]; then
     echo "Error: Unsupported host arch: $arch_name"
     exit -1
 fi
@@ -42,12 +43,19 @@ echo "Script to build libcvextern.so|dylib on $(uname -a) $arch_name"
 
 echo "- Detecting OS"
 [ "$installDependencies" == true ] && echo "- Installing all the dependencies"
-if [[ $OSTYPE == 'darwin'* ]]; then
+if [ "${OSTYPE:0:6}" == "darwin" ]; then
     osVariant="macOS"
     if [ installDependencies == true ]; then
-        [[ ! "$(command -v brew)" ]] && /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
-        brew install git cmake
-        brew install --cask dotnet
+        if [ -z "$(command -v brew)" ]; then
+            bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+            if [ -f "/opt/homebrew/bin/brew" -a -z "$(command -v brew)" ]; then
+                echo '# Set PATH, MANPATH, etc., for Homebrew.' >> "$HOME/.zprofile"
+                echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> "$HOME/.zprofile"
+                eval "$(/opt/homebrew/bin/brew shellenv)"
+            fi
+        fi
+        [ -z "$(command -v git)" -o -z "$(command -v cmake)" ] && brew install git cmake
+        [ -z "$(command -v dotnet)" ] && brew install --cask dotnet-sdk
     fi
 elif command -v apt-get &> /dev/null
 then
@@ -77,12 +85,16 @@ then
 fi
 
 echo "- Checks"
-if ! command -v git &> /dev/null
-then
+if [ -z "$(command -v git)" ]; then
     echo "Error: git not installed. Please re-run this script with -i flag."
     exit -1
 fi
 
+if [ -z "$(command -v cmake)" ]; then
+    echo "Error: cmake not installed. Please re-run this script with -i flag."
+    exit -1
+fi
+
 if [ -z "$osVariant" ]; then
     echo "Error: Unable to detect your Operative System."
     exit -1
@@ -102,15 +114,15 @@ cd "$directory"
 
 echo "- Bulding"
 if [ osVariant == "macOS" ]; then
-    cd platforms/macos
+    cd "platforms/macos"
     if [ "${arch_name}" = "x86_64" ]; then
-        ./configure x86_64 mini
+        ./configure x86_64 $build_package
     elif [ "${arch_name}" = "arm64" ]; then
-        ./configure arm64 mini
+        ./configure arm64 $build_package
     fi
 else
-    cd platforms/ubuntu/22.04
-    ./cmake_configure mini
+    cd "platforms/ubuntu/22.04"
+    ./cmake_configure $build_package
 fi
 
 echo "Completed - Check for errors but also for libcvextern presence on $directory/libs"