diff --git a/SOURCES/kf2-srv b/SOURCES/kf2-srv
index 70b4e21..14f29c6 100755
--- a/SOURCES/kf2-srv
+++ b/SOURCES/kf2-srv
@@ -18,24 +18,14 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 source /etc/steamcmd/steamcmd.conf
-source /etc/kf2-srv/kf2-srv.conf
 
 ScriptFullname=$(readlink -e "$0")
 ScriptName=$(echo "$ScriptFullname" | awk -F '/' '{print $NF;}')
-ScriptVersion="0.6.0"
+ScriptVersion="0.7.0"
 
 AppServerNum="232130"
 AppClientNum="232090"
 StrangeConstUID="17825793"
-InstallDir="/usr/games/kf2-srv"
-ActiveBranch="$InstallDir/activebranch.txt"
-AppBin="$InstallDir/Binaries/Win64/KFGameSteamServer.bin.x86_64"
-DefaultConfigDir="$InstallDir/KFGame/Config"
-DownloadMapsDir="$InstallDir/Binaries/Win64/steamapps/workshop/content/$AppClientNum"
-CacheMapsDir="$InstallDir/KFGame/Cache"
-InstanceConfigDir="/etc/kf2-srv/instances"
-InstanceConfigLnk="$DefaultConfigDir/instances"
-MainConfigTemplate="/etc/kf2-srv/main.conf.template"
 
 DiffArray=('Normal' 'Hard' 'Suicide' 'Hell')
 WaveArray=('4' '7' '10')
@@ -52,7 +42,8 @@ function show_help ()
 	echo "$ScriptName v$ScriptVersion"
 	echo "Централизование управление серверами Killing Floor 2"
 	echo "Usage:"
-	echo "$ScriptName OPTIONS"
+	echo "${ScriptName}           OPTIONS   stable branch"
+	echo "${ScriptName}-beta      OPTIONS   beta branch"
 	echo ""
 	echo "Mandatory arguments to long options are mandatory for short options too."
 	echo "  -n, --new       INSTANCE  создает новый ЭКЗЕМПЛЯР сервера"
@@ -113,8 +104,12 @@ function show_help ()
 # Use this function with non-root user only!!!
 function run_as_root () # $*: Args
 {
+	if [[ -n "$BetaPostfix" ]]; then
+		BetaPostfix="beta"
+	fi
+        
 	if [[ -n $(groups "$USER" | grep -Fo 'wheel') ]]; then
-		sudo "$ScriptFullname" $*
+		sudo "$ScriptFullname" $BetaPostfix $*
 	else
 		echo "You must be root or sudo-user to run this command."
 		return 1
@@ -126,7 +121,7 @@ function service_name () # $*: Instance[s]
 	local Services=""
 	for Instance in $*
 	do
-		Services+=" kf2-srv@$Instance.service"
+		Services+=" kf2-srv$BetaPostfix@$Instance.service"
 	done
 	echo "$Services"
 }
@@ -159,7 +154,7 @@ function instance_exists () # $1: Instance
 
 function server_exists ()
 {
-	if [[ -n $(ls "$InstallDir") ]]; then
+	if [[ -x "$AppBin" ]]; then
 		return 0
 	else
 		return 1
@@ -168,8 +163,21 @@ function server_exists ()
 
 function updates_aviable ()
 {
-	# TODO: implementation
-	return 0
+	# TODO: check
+	if [[ -n "$BetaPostfix" ]]; then
+		local BetaArg="-beta preview"
+	fi
+	if steamcmd +login anonymous \
+				+force_install_dir $InstallDir \
+				+app_info_update 1 \
+				+app_status $AppServerNum $BetaArg \
+				+quit | \
+				grep 'install state:' | \
+				grep -qiF 'Update Required'; then
+		return 0
+	else
+		return 1
+	fi
 }
 
 function new_instance () # $*: InstanceName[s]
@@ -230,7 +238,7 @@ function new_instance () # $*: InstanceName[s]
 		sed -i -r --follow-symlinks "s/-queryport=[0-9]+/-queryport=$MaxQueryPort/g"          "$InstanceDir/main.conf"
 		sed -i -r --follow-symlinks "s/-webadminport=[0-9]+/-webadminport=$MaxWebAdminPort/g" "$InstanceDir/main.conf"
 
-		echo "Instance $Instance created. See /etc/$ScriptName/instances/$Instance for edit configuration"
+		echo "Instance $Instance created. See /etc/$ScriptName/instances$BetaPostfix/$Instance for edit configuration"
 	done
 }
 
@@ -330,12 +338,11 @@ function show_status () # $*: [InstanceName[s]]
 
 function validate ()
 {
-	if [[ -n "$BranchName" ]]; then
-		local BetaArg="-beta $BranchName"
+	if [[ -n "$BetaPostfix" ]]; then
+		local BetaArg="-beta preview"
 	fi
 	stop_instance
 	steamcmd +login $SteamLogin +force_install_dir $InstallDir +app_update $AppServerNum $BetaArg validate +exit
-	echo "$BranchName" > "$ActiveBranch"
 	start_instance
 }
 
@@ -392,13 +399,43 @@ function fix_steamclient_so ()
 	ln -s "/usr/share/steamcmd/linux64/steamclient.so" "$InstallDir/Binaries/Win64/lib64/steamclient.so"
 }
 
+function create_map_dirs () 
+{
+	# space saving
+	local InstallDirOrig="/usr/games/kf2-srv"
+	local InstallDirBeta="/usr/games/kf2-srv-beta"
+	local DownloadMapsDirOrig="$InstallDirOrig/Binaries/Win64/steamapps/workshop/content/$AppClientNum"
+	local CacheMapsDirOrig="$InstallDirOrig/KFGame/Cache"
+	local DownloadMapsDirBeta="$InstallDirBeta/Binaries/Win64/steamapps/workshop/content/$AppClientNum"
+	local CacheMapsDirBeta="$InstallDirBeta/KFGame/Cache"
+	
+	if [[ -z "$BetaPostfix" ]]; then # Orig
+		sudo -u "$SteamUser" install -d -m 775 "$DownloadMapsDirOrig"
+		if [[ -d "$CacheMapsDirBeta" ]]; then
+			ln -s "$CacheMapsDirBeta" "$CacheMapsDirOrig"
+			rm -rf "$DownloadMapsDirOrig"
+			ln -s "$DownloadMapsDirBeta" "$DownloadMapsDirOrig"
+		else
+			sudo -u "$SteamUser" install -d -m 775 "$CacheMapsDirOrig"
+		fi
+	else # Beta
+		sudo -u "$SteamUser" install -d -m 775 "$DownloadMapsDirBeta"
+		if [[ -d "$CacheMapsDirOrig" ]]; then
+			ln -s "$CacheMapsDirOrig" "$CacheMapsDirBeta"
+			rm -rf "$DownloadMapsDirBeta"
+			ln -s "$DownloadMapsDirOrig" "$DownloadMapsDirBeta"
+		else
+			sudo -u "$SteamUser" install -d -m 775 "$CacheMapsDirBeta"
+		fi
+	fi
+}
+
 function update_kf2 ()
 {
-	if [[ -n "$BranchName" ]]; then
-		local BetaArg="-beta $BranchName"
+	if [[ -n "$BetaPostfix" ]]; then
+		local BetaArg="-beta preview"
 	fi
 	if ! server_exists; then # First install
-		echo "$BranchName" > "$ActiveBranch"
 		if ! steamcmd +login $SteamLogin +force_install_dir $InstallDir +app_update $AppServerNum $BetaArg validate +exit; then
 			echo "Errors during installation - exit"
 			exit 1
@@ -419,22 +456,18 @@ function update_kf2 ()
 			   	break
 			fi
 			sleep 2
+			# TODO: KFWeb.ini > webadmin=true
 		done
 		killall -KILL KFGameSteamServer.bin.x86_64
-		set_ini_permissions "$DefaultConfigDir"
-		install -d -g "$SteamUser" -o "$SteamUser" -m 775 "$CacheMapsDir"
+		create_map_dirs
 		fix_steamclient_so
 		ln -s "$InstanceConfigDir" "$InstanceConfigLnk"
 		make_default_instance
 		echo "KF2 succesfully installed"
 	elif updates_aviable; then # Update
-		if [[ "$BranchName" == $(cat "$ActiveBranch") ]]; then
-			stop_instance
-			steamcmd +login $SteamLogin +force_install_dir $InstallDir +app_update $AppServerNum $BetaArg +exit
-			start_instance
-		else
-			validate
-		fi
+		stop_instance
+		steamcmd +login $SteamLogin +force_install_dir $InstallDir +app_update $AppServerNum $BetaArg +exit
+		start_instance
 	fi
 }
 
@@ -687,7 +720,7 @@ function map_sync ()
 	do
 		if instance_exists "$Instance"; then
 			local Config="$InstanceConfigDir/$Instance/LinuxServer-KFGame.ini"
-			for MapFile in $(find "$CacheMapsDir" -type f -name '*.kfm' -printf "%f\n")
+			for MapFile in $(find -L "$CacheMapsDir" -type f -name '*.kfm' -printf "%f\n")
 			do
 				MapName=$(echo "$MapFile" | sed -r 's|.kfm$||g')
 				if [[ ! -f "$Config" ]]; then
@@ -883,6 +916,19 @@ function ban_sync ()
 	done
 }
 
+if [[ "$1" == "beta" ]]; then
+	BetaPostfix="-beta"; shift
+fi
+
+InstallDir="/usr/games/kf2-srv$BetaPostfix"
+AppBin="$InstallDir/Binaries/Win64/KFGameSteamServer.bin.x86_64"
+DefaultConfigDir="$InstallDir/KFGame/Config"
+DownloadMapsDir="$InstallDir/Binaries/Win64/steamapps/workshop/content/$AppClientNum"
+CacheMapsDir="$InstallDir/KFGame/Cache"
+InstanceConfigDir="/etc/kf2-srv/instances$BetaPostfix"
+InstanceConfigLnk="$DefaultConfigDir/instances"
+MainConfigTemplate="/etc/kf2-srv/main.conf.template"
+
 if [[ $# -eq 0 ]]; then show_help; exit 0; fi
 case $1 in
 	  -h|--help            )                                     show_help;                                   ;;
diff --git a/SOURCES/kf2-srv-beta b/SOURCES/kf2-srv-beta
new file mode 100644
index 0000000..9410b0b
--- /dev/null
+++ b/SOURCES/kf2-srv-beta
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+/usr/bin/kf2-srv beta $*
diff --git a/SOURCES/kf2-srv-beta-update.service b/SOURCES/kf2-srv-beta-update.service
new file mode 100644
index 0000000..bd615aa
--- /dev/null
+++ b/SOURCES/kf2-srv-beta-update.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Check and Update Killing Floor 2 server
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/kf2-srv-beta --update
+
+PrivateTmp=true
+PrivateDevices=true
+ProtectHome=false
+ProtectSystem=false
+
+[Install]
+WantedBy=multi-user.target
diff --git a/SOURCES/kf2-srv-beta-update.timer b/SOURCES/kf2-srv-beta-update.timer
new file mode 100644
index 0000000..db4e826
--- /dev/null
+++ b/SOURCES/kf2-srv-beta-update.timer
@@ -0,0 +1,9 @@
+[Unit]
+Description=Check and Update killing Floor 2 beta job
+
+[Timer]
+OnCalendar=*-*-* 4:00:00
+Unit=kf2-srv-beta-update.service
+
+[Install]
+WantedBy=multi-user.target
diff --git a/SOURCES/kf2-srv-beta@.service b/SOURCES/kf2-srv-beta@.service
new file mode 100644
index 0000000..7895fdd
--- /dev/null
+++ b/SOURCES/kf2-srv-beta@.service
@@ -0,0 +1,21 @@
+[Unit]
+Description=Killing Floor 2 Beta Server Daemon - %i
+
+[Service]
+User=steam
+Group=steam
+Type=simple
+StandardOutput=null
+StandardError=null
+EnvironmentFile=/etc/kf2-srv/instances-beta/%i/main.conf
+ExecStart=/usr/games/kf2-srv-beta/Binaries/Win64/KFGameSteamServer.bin.x86_64 $Args configsubdir=instances/%i $PortW $PortQ $PortG
+Restart=always
+
+NoNewPrivileges=yes
+PrivateTmp=true
+PrivateDevices=true
+ProtectHome=true
+ProtectSystem=false
+
+[Install]
+WantedBy=multi-user.target
diff --git a/SOURCES/kf2-srv-update.timer b/SOURCES/kf2-srv-update.timer
index b6ce218..153bd5c 100644
--- a/SOURCES/kf2-srv-update.timer
+++ b/SOURCES/kf2-srv-update.timer
@@ -2,7 +2,7 @@
 Description=Check and Update killing Floor 2 job
 
 [Timer]
-OnCalendar=Wed, 04:00
+OnCalendar=*-*-* 4:00:00
 Unit=kf2-srv-update.service
 
 [Install]
diff --git a/SPECS/kf2-srv.spec b/SPECS/kf2-srv.spec
index fd2b10a..798596b 100644
--- a/SPECS/kf2-srv.spec
+++ b/SPECS/kf2-srv.spec
@@ -1,7 +1,7 @@
 %global steamuser steam
 
 Name:      kf2-srv
-Version:   0.6.0
+Version:   0.7.0
 Release:   1%{dist}
 Summary:   Killing Floor 2 server
 Group:     Amusements/Games
@@ -9,17 +9,28 @@ License:   GNU GPLv3
 BuildArch: noarch
 
 Source1:   %{name}
-Source2:   %{name}.conf
+Source2:   %{name}-beta
 Source3:   %{name}.xml
 Source4:   %{name}@.service
 Source5:   %{name}-update.service
 Source6:   %{name}-update.timer
 Source7:   main.conf.template
+Source8:   %{name}-beta@.service
+Source9:   %{name}-beta-update.service
+Source10:  %{name}-beta-update.timer
 
 Requires:  systemd >= 219
 Requires:  steamcmd
 Requires:  libxml2
 Requires:  dos2unix
+Requires:  curl
+Requires:  grep
+Requires:  coreutils
+Requires:  sed
+Requires:  util-linux
+Requires:  sudo
+Requires:  psmisc
+Requires:  gawk
 
 Provides:  %{name}
 
@@ -37,29 +48,34 @@ install -m 755 -d %{buildroot}/%{_bindir}
 install -m 755 -d %{buildroot}/%{_prefix}/lib/systemd/system
 install -m 755 -d %{buildroot}/%{_prefix}/lib/firewalld/services
 install -m 755 -d %{buildroot}/%{_sysconfdir}/%{name}/instances
+install -m 755 -d %{buildroot}/%{_sysconfdir}/%{name}/instances-beta
 install -m 644 -d %{buildroot}/%{_prefix}/games/%{name}
+install -m 644 -d %{buildroot}/%{_prefix}/games/%{name}-beta
 
-install -m 755 %{SOURCE1} %{buildroot}/%{_bindir}
-install -m 644 %{SOURCE2} %{buildroot}/%{_sysconfdir}/%{name}
-install -m 644 %{SOURCE3} %{buildroot}/%{_prefix}/lib/firewalld/services
-install -m 644 %{SOURCE4} %{buildroot}/%{_prefix}/lib/systemd/system
-install -m 644 %{SOURCE5} %{buildroot}/%{_prefix}/lib/systemd/system
-install -m 644 %{SOURCE6} %{buildroot}/%{_prefix}/lib/systemd/system
-install -m 644 %{SOURCE7} %{buildroot}/%{_sysconfdir}/%{name}
-
-sed -i -r "s|^(InstallDir=).*$|\1\"%{_prefix}/games/%{name}\"|g" %{buildroot}/%{_bindir}/%{name}
+install -m 755 %{SOURCE1}  %{buildroot}/%{_bindir}
+install -m 644 %{SOURCE2}  %{buildroot}/%{_bindir}
+install -m 644 %{SOURCE3}  %{buildroot}/%{_prefix}/lib/firewalld/services
+install -m 644 %{SOURCE4}  %{buildroot}/%{_prefix}/lib/systemd/system
+install -m 644 %{SOURCE5}  %{buildroot}/%{_prefix}/lib/systemd/system
+install -m 644 %{SOURCE6}  %{buildroot}/%{_prefix}/lib/systemd/system
+install -m 644 %{SOURCE7}  %{buildroot}/%{_sysconfdir}/%{name}
+install -m 644 %{SOURCE8}  %{buildroot}/%{_prefix}/lib/systemd/system
+install -m 644 %{SOURCE9}  %{buildroot}/%{_prefix}/lib/systemd/system
+install -m 644 %{SOURCE10} %{buildroot}/%{_prefix}/lib/systemd/system
 
 %clean
 rm -rf $RPM_BUILD_ROOT
 
 %files
 %attr(775,root,%{steamuser}) %dir       %{_prefix}/games/%{name}
+%attr(775,root,%{steamuser}) %dir       %{_prefix}/games/%{name}-beta
 %attr(775,root,%{steamuser}) %dir       %{_sysconfdir}/%{name}
 %attr(775,root,%{steamuser}) %dir       %{_sysconfdir}/%{name}/instances
-%attr(644,root,root)                    %{_sysconfdir}/%{name}/main.conf.template
-%attr(644,root,root) %config(noreplace) %{_sysconfdir}/%{name}/%{name}.conf
+%attr(775,root,%{steamuser}) %dir       %{_sysconfdir}/%{name}/instances-beta
+%attr(644,root,root) %config(noreplace) %{_sysconfdir}/%{name}/main.conf.template
 %attr(644,root,root) %config(noreplace) %{_prefix}/lib/firewalld/services/%{name}.xml
 %attr(755,root,root)                    %{_bindir}/%{name}
+%attr(755,root,root)                    %{_bindir}/%{name}-beta
 %attr(644,root,root)                    %{_prefix}/lib/systemd/system/*
 
 %preun
@@ -67,9 +83,17 @@ if [[ $1 -eq 0 ]] ; then # Uninstall
 	%{_bindir}/%{name} --stop
 	%{_bindir}/%{name} --disable
 	rm -rf %{_prefix}/games/%{name}/*
+	rm -rf %{_prefix}/games/%{name}-beta/*
+	rm -rf %{_sysconfdir}/%{name}/instances/default
+	rm -rf %{_sysconfdir}/%{name}/instances-beta/default
 fi
 
 %changelog
+* Sat Mar 7 2020 GenZmeY <genzmey@gmail.com> - 0.7.0-1
+- dual versions support;
+- check updates;
+- bugfixes.
+
 * Sat Jan 18 2020 GenZmeY <genzmey@gmail.com> - 0.6.0-1
 - versions;
 - instance conf tweaks;