diff --git a/script/firebee_install_script.sh b/script/firebee_install_script.sh
index 95cb2b2..7804dd0 100644
--- a/script/firebee_install_script.sh
+++ b/script/firebee_install_script.sh
@@ -1,4 +1,4 @@
-!#/bin/env bash
+#!/usr/bin/env bash
 #
 # firebee_setup_script.sh
 #
@@ -16,43 +16,147 @@ RESET='\033[0m'
 BLINK_ON="\e[?12h"
 BLINK_OFF="\e[?12l"
 
-# clear screen before output
-clear
+# some definitions
+INST_TEMP="./tmp"
 
-echo ""
-echo -e " ${RED}**${RESET} ${YELLOW}FireBee Setup Script${RESET} ${RED}**${RESET}"
-echo -e " ${YELLOW}==========================${RESET}"
-echo ""
-echo " This script will create a new setup for your FireBee."
-echo " When it's finished, you can copy the content of DEST/* to you CompactFlash-Card"
-echo ""
-echo " This script relies on a working internet connection. So make sure you have"
-echo " it working in first place."
-echo ""
-echo " What language do you want to install?"
-echo -e "${BLINK_ON}"
-read -p " Languages are: en, de, fr, es, it, nl, ru, cs : " LANG
-echo -e "${BLINK_OFF}"
-echo
+fb_installer_usage() {
+	# clear screen before output
+	clear
 
-if [[ ${LANG} == "" ]]; then
-	echo "You didn't give any language. Going default with English"
-elif [ ${LANG} == "en" ]; then
-	echo "Okay, using English"
-elif [[ ${LANG} == "de" ]]; then
-	echo "Okay, using German"
-elif [[ ${LANG} == "fr" ]]; then
-	echo "Okay, using French"
-elif [[ ${LANG} == "es" ]]; then
-	echo "Okay, using Spanish"
-elif [[ ${LANG} == "it" ]]; then
-	echo "Okay, using Italian"
-elif [[ ${LANG} == "nl" ]]; then
-	echo "Okay, using Dutch"
-elif [[ ${LANG} == "ru" ]]; then
-	echo "Okay, using Russian"
-elif [[ ${LANG} == "cs" ]]; then
-	echo "Okay, using Czech"
-else
-	echo -e "I'm sorry, Dave. I'm afraid I can't do \"${LANG}\"!"
-fi
+	# welcome user and ask for lang. to install
+	echo ""
+	echo -e " ${RED}**${RESET} ${YELLOW}FireBee Setup Script${RESET} ${RED}**${RESET}"
+	echo -e " ${YELLOW}==========================${RESET}"
+	echo ""
+	echo " This script will create a new setup for your FireBee."
+	echo " When it's finished, you can copy the content of DEST/* to you CompactFlash-Card"
+	echo ""
+	echo " This script relies on a working internet connection. So make sure you have"
+	echo " it working in first place."
+	echo ""
+	echo " What language do you want to install?"
+	echo -e "${BLINK_ON}"
+	read -p " Languages are: en, de, fr, es, it, nl, ru, cs : " LANG
+	echo -e "${BLINK_OFF}"
+	echo
+
+	# give user a feedback which lang. is used
+	if [[ ${LANG} == "" ]]; then
+		echo "You didn't give any language. Going default with English"
+	elif [ ${LANG} == "en" ]; then
+		echo "Okay, using English"
+	elif [[ ${LANG} == "de" ]]; then
+		echo "Okay, using German"
+	elif [[ ${LANG} == "fr" ]]; then
+		echo "Okay, using French"
+	elif [[ ${LANG} == "es" ]]; then
+		echo "Okay, using Spanish"
+	elif [[ ${LANG} == "it" ]]; then
+		echo "Okay, using Italian"
+	elif [[ ${LANG} == "nl" ]]; then
+		echo "Okay, using Dutch"
+	elif [[ ${LANG} == "ru" ]]; then
+		echo "Okay, using Russian"
+	elif [[ ${LANG} == "cs" ]]; then
+		echo "Okay, using Czech"
+	else
+		echo -e "I'm sorry, Dave. I'm afraid I can't do \"${LANG}\"!"
+	fi
+}
+
+fb_installer_test_mainloop() {
+	fb_installer_check_tmp
+}
+
+fb_installer_check_tmp() {
+	# check if there is a tmp dir to install and is it
+	# writeable by user?
+
+    # make dir if not exists
+    if [ ! -d "$INST_TEMP" ]; then
+        mkdir -p "$INST_TEMP"
+        # check if mkdir was successful
+        if [ $? -ne 0 ]; then
+            echo "${RED}Error${RESET}: Could not create Install-Dir '${INST_TEMP}'!"
+            return 1
+        fi
+    fi
+
+    # check if it is writable
+    if [ -w "$INST_TEMP" ]; then
+        # check if the directory is not empty
+        if [ "$(ls -A "$INST_TEMP")" ]; then
+            rm -rf "${INST_TEMP:?}/"*
+        fi
+        fb_installer_check_bin
+    else
+        echo "${RED}Error${RESET}: '${INST_TEMP}' is not writeable!"
+        return 1
+    fi
+}
+
+fb_installer_check_bin() {
+	# list of binaries we need as array
+	bin_needed=("wget" "git" "cp" "rm" "mv" "sed" "cut" "grep" "unzip" "install")
+
+	# Flag, 
+	bin_avail=true
+
+	# empty list for binaries who are not available
+	missing_bin=()
+
+	# check if binary is available
+	for prog in "${bin_needed[@]}"; do
+	    if which "$prog" &>/dev/null; then
+	        # just continue, no output
+	        continue
+	    else
+	        bin_avail=false
+	        missing_bin+=("$prog")  # add missing binary to a list
+	    fi
+	done
+
+	# when every binary is there, continue to download
+	if ${bin_avail}; then
+	    fb_installer_download
+	else
+	    echo -e "${RED}Error${RESET}: Missing ${missing_bin[@]}! Please install it first"
+	    exit 1
+	fi
+}
+
+
+fb_installer_download() {
+	# first cd into INSTALL-DIR
+	cd ${INST_TEMP}
+	
+	# clone setup repo
+	echo "Cloning git repo"
+	git clone https://codeberg.org/firebee/FireBee_Setup.git &>/dev/null
+
+	# download latest freemint
+	# download bootable mint build and decompress it
+	wget https://tho-otto.de/snapshots/freemint/bootable/freemint-latest-col-firebee.zip &>/dev/null
+	unzip -d freemint freemint-latest-col-firebee.zip &>/dev/null
+	rm freemint-latest-col-firebee.zip &>/dev/null
+}
+
+
+
+fb_installer_install_mint() {
+	echo "install mint"
+}
+
+fb_installer_hidden_gems() {
+	# download a pre-packed nvdi, fvdi or both
+	#
+	# note: since we don't ship it by default,
+	# this can be enabled by adding an argument
+	# to the scriptname so it's kind of hidden
+	# and will not packed when the arguments
+	# are omitted
+	echo "none"
+}
+
+fb_installer_usage
+fb_installer_test_mainloop