diff --git a/0_cmake_library/cl.bat b/0_cmake_library/cl.bat
deleted file mode 100644
index 749cc6e..0000000
--- a/0_cmake_library/cl.bat
+++ /dev/null
@@ -1,6 +0,0 @@
-@echo off
-chcp 65001 >nul
-
-"%~dp0cl.exe" %*
-
-exit /b %errorlevel%
\ No newline at end of file
diff --git a/0_cmake_library/link.bat b/0_cmake_library/link.bat
deleted file mode 100644
index b5b948d..0000000
--- a/0_cmake_library/link.bat
+++ /dev/null
@@ -1,5 +0,0 @@
-@echo off
-chcp 65001 >nul
-set VSLANG=1033
-"%~dp0link.exe" %*
-exit /b %errorlevel%
\ No newline at end of file
diff --git a/0_cmake_library/link2.bat b/0_cmake_library/link2.bat
deleted file mode 100644
index 0a445c4..0000000
--- a/0_cmake_library/link2.bat
+++ /dev/null
@@ -1,6 +0,0 @@
-@echo off
-chcp 65001 >nul
-
-"%~dp0link.exe" %*
-
-exit /b %errorlevel%
\ No newline at end of file
diff --git a/register/register_library.cmake b/register/register_library.cmake
index 1d09fc4..971d936 100644
--- a/register/register_library.cmake
+++ b/register/register_library.cmake
@@ -7,9 +7,14 @@ include(${CMAKE_CURRENT_LIST_DIR}/base.cmake)
 
 
 
+set(oncurrencpp_opts)
 
-
-
+_register_git_cmake_library(
+        concurrencpp
+        concurrencpp
+        https://github.com/David-Haim/concurrencpp.git
+        v.0.1.7
+)
 
 
 set(tinyxml2_opts)
diff --git a/toolchain/vs2019.cmake b/toolchain/vs2019.cmake
index 8f4da91..5f9cd9f 100644
--- a/toolchain/vs2019.cmake
+++ b/toolchain/vs2019.cmake
@@ -4,9 +4,9 @@
 #set(CMAKE_CXX_COMPILER "${dir}/cl.exe")
 #set(CMAKE_C_COMPILER "${dir}/cl.exe")
 
-get_filename_component(_compiler_dir "${CMAKE_CXX_COMPILER}" DIRECTORY)
-
-set(CMAKE_LINKER "${_compiler_dir}/link.bat")
+#get_filename_component(_compiler_dir "${CMAKE_CXX_COMPILER}" DIRECTORY)
+#
+#set(CMAKE_LINKER "${_compiler_dir}/link.bat")
 
 
 #if(CMAKE_HOST_WIN32 AND CMAKE_GENERATOR MATCHES "Ninja")