diff --git a/install-utilities.sh b/install-utilities.sh
index 3e8ada8..3ac371d 100755
--- a/install-utilities.sh
+++ b/install-utilities.sh
@@ -105,6 +105,7 @@ function read_ncsdk_config()
     INSTALL_TOOLKIT=yes
     PIP_SYSTEM_INSTALL=yes
     USE_VIRTUALENV=no
+	VIRTUALENV_DIR=${INSTALL_DIR}/virtualenv-python
 
 
     ### set # jobs to make simultaneously, MAKE_NJOBS, defaults to 1. 
diff --git a/install.sh b/install.sh
index a1d2e35..675cf1e 100755
--- a/install.sh
+++ b/install.sh
@@ -29,7 +29,7 @@ function check_supported_os()
     VERSION="$(lsb_release -r 2>/dev/null | awk '{ print $2 }' | sed 's/[.]//')"
     OS_DISTRO="${DISTRO:-INVALID}"
     OS_VERSION="${VERSION:-255}"
-    if [ "${OS_DISTRO,,}" = "ubuntu" ] && [ ${OS_VERSION} = 1604 ]; then
+    if [ "${OS_DISTRO,,}" = "ubuntu" ] && [[ ${OS_VERSION} = 1604 || ${OS_VERSION} = 1804 ]]; then
        # Require 64-bit Ubuntu OS
         HARDWARE_PLATFORM=$(uname -i)
         if [ "${HARDWARE_PLATFORM}" != "x86_64" ] ; then
@@ -104,6 +104,7 @@ function print_ncsdk_config()
     echo "PIP_SYSTEM_INSTALL - Globally install pip packages via sudo -H"
     echo "VERBOSE - Flag to enable more verbose installation"
     echo "USE_VIRTUALENV - Flag to enable python virtualenv"
+    echo "VIRTUALENV_DIR - Virtual environment directory"
     echo "MAKE_NJOBS - Number of processes to use for parallel build (i.e. make -j MAKE_NJOBS)"
     echo ""
     echo "INSTALL_DIR=${INSTALL_DIR}"
@@ -115,6 +116,7 @@ function print_ncsdk_config()
     echo "PIP_SYSTEM_INSTALL=${PIP_SYSTEM_INSTALL}"
     echo "VERBOSE=${VERBOSE}"
     echo "USE_VIRTUALENV=${USE_VIRTUALENV}"
+    echo "VIRTUALENV_DIR=${VIRTUALENV_DIR}"
     echo "MAKE_NJOBS=${MAKE_NJOBS}"
     echo ""
 }
@@ -314,7 +316,6 @@ function setup_virtualenv()
     ${SUDO_PREFIX} apt-get $APT_QUIET install python-virtualenv -y
     echo ""
     
-    VIRTUALENV_DIR=${INSTALL_DIR}/virtualenv-python
     # if virtualenv dir exists, try to activate it
     if [ -d ${VIRTUALENV_DIR} ] ; then
         RC=0
@@ -329,13 +330,14 @@ function setup_virtualenv()
             exit 1
             echo ""
         else
-            echo "virtualenv ${INSTALL_DIR}/virtualenv-python exists, and successfully activated it"
+            echo "virtualenv ${VIRTUALENV_DIR} exists, and successfully activated it"
         fi
     else
         # Create new virtualenv and activate it
         echo "Creating new virtualenv in ${VIRTUALENV_DIR}"
         ${SUDO_PREFIX} mkdir -p ${VIRTUALENV_DIR}
         ${SUDO_PREFIX} virtualenv --system-site-packages -p python3 ${VIRTUALENV_DIR}
+        ${SUDO_PREFIX} chown -R $USER:$USER ${VIRTUALENV_DIR}
         # disable trapping for unset variables due to activate script
         set +u
         RC=0        
@@ -740,9 +742,13 @@ function install_api()
     # Install python API
     $SUDO_PREFIX cp ${FROM_DIR}/api/python/mvnc/mvncapi.py $SDK_DIR/api/python/mvnc
     $SUDO_PREFIX cp ${FROM_DIR}/api/python/mvnc/__init__.py $SDK_DIR/api/python/mvnc
-    exec_and_search_errors "$PIP_PREFIX pip3 install $PIP_QUIET --upgrade --force-reinstall $SDK_DIR/api"
-    exec_and_search_errors "$PIP_PREFIX pip2 install $PIP_QUIET --upgrade --force-reinstall $SDK_DIR/api"
-    echo "NCS Python API has been installed in $INSTALL_DIR, and PYTHONPATH environment variable updated"
+	if [ "${USE_VIRTUALENV}" == 'yes' ]; then
+		exec_and_search_errors "$PIP_PREFIX pip install $PIP_QUIET --upgrade --force-reinstall $SDK_DIR/api"
+	else
+    	exec_and_search_errors "$PIP_PREFIX pip3 install $PIP_QUIET --upgrade --force-reinstall $SDK_DIR/api"
+    	exec_and_search_errors "$PIP_PREFIX pip2 install $PIP_QUIET --upgrade --force-reinstall $SDK_DIR/api"
+    fi
+	echo "NCS Python API has been installed in $INSTALL_DIR, and PYTHONPATH environment variable updated"
 }
 
 
diff --git a/ncsdk.conf b/ncsdk.conf
index c5b7aed..1225cd4 100644
--- a/ncsdk.conf
+++ b/ncsdk.conf
@@ -1,10 +1,11 @@
 INSTALL_DIR=/opt/movidius
-INSTALL_CAFFE=yes
+INSTALL_CAFFE=no
 CAFFE_FLAVOR=ssd
 CAFFE_USE_CUDA=no
-INSTALL_TENSORFLOW=yes
-INSTALL_TOOLKIT=yes
-PIP_SYSTEM_INSTALL=yes
+INSTALL_TENSORFLOW=no
+INSTALL_TOOLKIT=no
+PIP_SYSTEM_INSTALL=no
 VERBOSE=yes
 USE_VIRTUALENV=no
+VIRTUALENV_DIR=/opt/movidius/virtualenv-python
 #MAKE_NJOBS=1
diff --git a/uninstall.sh b/uninstall.sh
index 0336072..b99e9e3 100755
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -57,6 +57,30 @@ function remove_install_dir()
 }
 
 
+function initialize_virtualenv()
+{
+	# if virtualenv dir exists, try to activate it
+    if [ -d ${VIRTUALENV_DIR} ] ; then
+        RC=0
+        # disable trapping for unset variables due to activate script 
+        set +u
+        source ${VIRTUALENV_DIR}/bin/activate || RC=$?
+        set -u
+        if [ ${RC} -ne 0 ] ; then
+            echo "source ${VIRTUALENV_DIR}/bin/activate gave an error=${RC}"
+            echo "You need to investigate: 1) Either figure out why virtualenv is not activating correctly or"
+            echo "                         2) edit ncsdk.conf to set USE_VIRTUALENV=no to disable virtualenv.  Will exit"
+            exit 1
+            echo ""
+        else
+            echo "virtualenv ${VIRTUALENV_DIR} exists, and successfully activated it"
+        fi
+	else
+		echo "Supplied virtualenv dir does not exist."
+	fi
+}
+
+
 # main - this is the main function that runs the uninstall
 function main()
 {
@@ -76,6 +100,9 @@ function main()
     
     ### function is in install-utilities.sh
     find_previous_install
+
+    # Optionally use python virtualenv, USE_VIRTUALENV set in ncsdk.conf
+    [ "${USE_VIRTUALENV}" == 'yes' ] && initialize_virtualenv
     
     ### remove prev installation. Function is in install-utilities.sh
     remove_previous_install