diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0a703ef
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*_build/
diff --git a/Step1/CMakeLists.txt b/Step1/CMakeLists.txt
index 6fcce90..243606c 100644
--- a/Step1/CMakeLists.txt
+++ b/Step1/CMakeLists.txt
@@ -1,7 +1,7 @@
 # TODO 1: Set the minimum required version of CMake to be 3.10
-
+cmake_minimum_required(VERSION 3.10)
 # TODO 2: Create a project named Tutorial
-
+project(Tutorial)
 # TODO 7: Set the project version number as 1.0 in the above project command
 
 # TODO 6: Set the variable CMAKE_CXX_STANDARD to 11
@@ -12,5 +12,5 @@
 
 # TODO 3: Add an executable called Tutorial to the project
 # Hint: Be sure to specify the source file as tutorial.cxx
-
+add_executable(Tutorial tutorial.cxx)
 # TODO 9: Use target_include_directories to include ${PROJECT_BINARY_DIR}