diff --git a/mystic/install-v2.sh b/mystic/install-v2.sh
index cc92362..07ca747 100644
--- a/mystic/install-v2.sh
+++ b/mystic/install-v2.sh
@@ -1,12 +1,14 @@
-MYSTIC_VER="112a48"
+#UPSTREAM="downloads"
+UPSTREAM="downloads/prealpha"
+MYSTIC_VER="112a49"
 
 echo -e "Plz set the install dir the same as bevor"
 echo -e "${DGN}Install Mystic to: ${BGN}$MYSTIC_DIR${CL}"
 read -p "Press enter to continue"
 
 msg_info "Starting ${APP} Installation"
-apt install -y unrar-free python3 python2 libpython2.7 zip rar &>/dev/null
-wget -N http://www.mysticbbs.com/downloads/mys${MYSTIC_VER}_${MYSTIC_ARCH}.${MYSTIC_EXT} -O $MSTEMPDIR/mys${MYSTIC_VER}_${MYSTIC_ARCH}.${MYSTIC_EXT} &>/dev/null
+apt install -y python3 python2 libpython2.7 arj zip rar unrar &>/dev/null
+wget -N http://www.mysticbbs.com/${UPSTREAM}/mys${MYSTIC_VER}_${MYSTIC_ARCH}.${MYSTIC_EXT} -O $MSTEMPDIR/mys${MYSTIC_VER}_${MYSTIC_ARCH}.${MYSTIC_EXT} &>/dev/null
 rm -rf $MSTEMPDIR/mystic-${MYSTIC_VER} &>/dev/null
 mkdir -p $MSTEMPDIR/mystic-${MYSTIC_VER} &>/dev/null
 pushd $MSTEMPDIR/mystic-${MYSTIC_VER} &>/dev/null
@@ -60,3 +62,16 @@ sed -e "s!@MYSTIC_DIR@!${MYSTIC_DIR}!g" $MSTEMPDIR/mystic/mystic/mis.service > /
 systemctl daemon-reload
 msg_ok "Installing ${APP} Systemd Start/Stop Scripts and Service File"
 
+msg_info "Setting up ${APP} Official lha (be patient compiling lha)"
+apt install -y build-essential binutils make csh g++ sed gawk autoconf automake autotools-dev &>/dev/null
+wget -N https://github.com/jca02266/lha/archive/refs/tags/release-20211125.zip -O $MSTEMPDIR/lha-20211125.zip &>/dev/null
+rm -rf $MSTEMPDIR/lha-release-20211125 &>/dev/null
+unzip ../lha-20211125.zip &>/dev/null
+pushd $MSTEMPDIR/lha-release-20211125 &>/dev/null
+autoreconf &>/dev/null
+automake --add-missing &>/dev/null
+./configure &>/dev/null
+make &>/dev/null
+make install &>/dev/null
+popd &>/dev/null
+msg_ok "Setting up ${APP} Official lha (be patient compiling lha)"