diff --git a/functions/additional.function b/functions/additional.function
index 51c6e2c..8f3c212 100644
--- a/functions/additional.function
+++ b/functions/additional.function
@@ -24,12 +24,40 @@ PAT() {
 	elif [ -f ${XDG_CONFIG_HOME}/pat/config.json ]; then
 		cp $XDG_CONFIG_HOME/pat/config.json ${DIR}/config.json
 	fi
+
+	if [ `getconf LONG_BIT` = '64' ]; then
+	#install golang needed for pat build
+	cd
+	wget https://go.dev/dl/go1.17.7.linux-arm64.tar.gz
+	sudo tar -C /usr/local -xzf go1.17.7.linux-arm64.tar.gz
+	rm go1.17.7.linux-arm64.tar.gz
+
+	echo "PATH=$PATH:/usr/local/go/bin" >> $HOME/.profile
+	echo "GOPATH=$HOME/go" >> $HOME/.profile
+
+	source $HOME/.profile
+
+	#download/build latest pat
+	cd
+	git clone https://github.com/la5nta/pat
+	cd pat
+	./make.bash libax25
+	./make.bash
+
+	sudo cp $HOME/pat/debian/pat@.service /lib/systemd/system/
+	sudo cp $HOME/pat/pat /usr/bin/
+	rm -rf $HOME/pat
+	else
+	#install deb file for 32 bit systems
 	NEWPATV=$(curl -s https://github.com/la5nta/pat/releases | grep armhf | head -1 | sed 's/.*pat_/pat_/' | sed 's/<\/a>.*$//')
 	NEWPAT=$(echo ${NEWPATV} | sed 's/pat_//' | sed 's/_linux_armhf.deb//' | sed 's/0\.//')
 	echo "new pat v ${NEWPATV}"
 	echo "new pat ${NEWPAT}"
 	wget --tries 2 --connect-timeout=60 https://github.com/la5nta/pat/releases/download/v0.${NEWPAT}/${NEWPATV}
 	sudo dpkg -i ${DIR}/${NEWPATV}
+	fi
+
+	#lines below configure pat with user info
 	pat http &
 	sudo killall pat
 	sudo systemctl start pat@${WHO}