diff --git a/README.md b/README.md
index a0b4e4e..d0ee361 100644
--- a/README.md
+++ b/README.md
@@ -8,3 +8,6 @@
 ```shell
 curl -Ss https://raw.githubusercontent.com/just-do-halee/near-contract/main/install.sh | sh
 ```
+```shell
+make # after installation
+```
diff --git a/install.sh b/install.sh
index 4ff7566..6ba394d 100644
--- a/install.sh
+++ b/install.sh
@@ -8,3 +8,52 @@ rm -rf .git
 
 rm LICENSE
 rm LICENSE-APACHE
+
+if [[ "$OSTYPE" == "msys" || "$OSTYPE" == "cygwin" ]]; then
+    # Windows with Cygwin or MSYS2
+    NULPATH=NUL
+else
+    NULPATH=/dev/null
+fi
+
+# git init
+
+git --version > $NULPATH
+if [[ $? == 0 ]]; then
+    git init
+fi
+
+# RUST
+
+rustup --help > $NULPATH
+if [[ $? != 0 ]]; then
+    # if there is no rustup, install it
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+else
+    # there is rustup, so update it
+    rustup update
+fi
+
+# NPM
+
+npm --version > $NULPATH
+if [[ $? != 0 ]]; then
+    # if there is no npm, install it
+    curl -L https://www.npmjs.com/install.sh | sh
+else
+    # there is npm, so update it
+    npm install -g npm
+fi
+
+# NEAR
+
+near --help > $NULPATH
+if [[ $? != 0 ]]; then
+    # if there is no near, install it
+    npm install -g near-cli
+else
+    # there is near, so update it
+    npm update -g near-cli
+fi
+
+near login