diff --git a/install_postgres.sh b/install_postgres.sh
new file mode 100755
index 0000000..e998f21
--- /dev/null
+++ b/install_postgres.sh
@@ -0,0 +1,12 @@
+# Create the file repository configuration:
+sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+
+# Import the repository signing key:
+wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+
+# Update the package lists:
+sudo apt-get update
+
+# Install the latest version of PostgreSQL.
+# If you want a specific version, use 'postgresql-12' or similar instead of 'postgresql':
+sudo apt-get -y install postgresql
diff --git a/install_python3.sh b/install_python3.sh
new file mode 100755
index 0000000..d280195
--- /dev/null
+++ b/install_python3.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Update the package list
+sudo apt-get update
+
+# Install the software-properties-common package
+sudo apt-get install software-properties-common
+
+# Add the deadsnakes PPA to the sources list
+sudo add-apt-repository ppa:deadsnakes/ppa
+
+# Update the package list again
+sudo apt-get update
+
+# Check the latest version of Python 3 available
+latest_version=$(apt-cache madison python3 | awk '{print $3}' | grep "^3\." | sort -V | tail -1)
+
+# Install the latest version of Python 3
+sudo apt-get install -y python3=$latest_version
+
+# Verify the installation
+python3 --version
+which python3
+
diff --git a/setup.sh b/setup.sh
index b1aaef9..62d1991 100755
--- a/setup.sh
+++ b/setup.sh
@@ -184,3 +184,14 @@ while true; do
     esac
 done
 
+while true; do
+    read -p "do you want to install fzf, ripgrep?" yn
+    case $yn in
+        [Yy]* ) 
+            sudo apt-get install fzf ripgrep
+            break;;
+        [Nn]* ) 
+            break;;
+        * ) echo "Please answer yes or no.";;
+    esac
+done