diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0383add..f03c98c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project (tkDNN)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
@@ -17,7 +17,13 @@ if(DEBUG)
     add_definitions(-DDEBUG)
 endif()
 
-add_definitions(-DTKDNN_PATH="${CMAKE_CURRENT_SOURCE_DIR}")
+if(TKDNN_PATH)
+    message("SET TKDNN_PATH:"${TKDNN_PATH})
+    add_definitions(-DTKDNN_PATH="${TKDNN_PATH}")
+else()
+    add_definitions(-DTKDNN_PATH="${CMAKE_CURRENT_SOURCE_DIR}")
+endif()
+
 
 #-------------------------------------------------------------------------------
 # CUDA
@@ -42,6 +48,7 @@ target_link_libraries(kernels ${CUDA_CUBLAS_LIBRARIES})
 # External Libraries
 #-------------------------------------------------------------------------------
 find_package(Eigen3 REQUIRED)
+message("Eigen DIR: " ${EIGEN3_INCLUDE_DIR})
 include_directories(${EIGEN3_INCLUDE_DIR})
 
 find_package(OpenCV REQUIRED)
@@ -85,6 +92,7 @@ foreach(test_SRC ${darknet_SRC})
     set(test_NAME test_${test_NAME})
     add_executable(${test_NAME} ${test_SRC})
     target_link_libraries(${test_NAME} tkDNN)
+    install(TARGETS ${test_NAME} DESTINATION bin)
 endforeach()
 
 # MOBILENET
@@ -131,7 +139,10 @@ target_link_libraries(demo tkDNN)
 message("install dir:" ${CMAKE_INSTALL_PREFIX})
 install(DIRECTORY include/ DESTINATION include/)
 install(TARGETS tkDNN kernels DESTINATION lib)
+install(TARGETS test_simple test_mnist test_mnistRT test_rtinference demo map_demo DESTINATION bin)
 install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/cmake/" # source directory
         DESTINATION "share/tkDNN/cmake/" # target directory
 )
-
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/tests/" # source directory
+        DESTINATION "share/tkDNN/tests" # target directory
+)