diff --git a/main.sh b/main.sh
index 9be1140..a60b848 100644
--- a/main.sh
+++ b/main.sh
@@ -1,2 +1,94 @@
-echo HPKG - The Best Package Manager
-echo Error: not completed.
\ No newline at end of file
+#!/bin/bash
+echo Starting HPKG...
+install_python() {
+    echo "Installing Python 3.11.0..."
+    wget https://www.python.org/ftp/python/3.11.0/Python-3.11.0.tgz
+    tar -xzf Python-3.11.0.tgz
+    cd Python-3.11.0 || exit
+    ./configure --prefix=$HOME/python3.11
+    make
+    make install
+    $HOME/python3.11/bin/python3.11 -m venv ~/venv/python3.11_env
+    source ~/venv/python3.11_env/bin/activate
+    echo "Python version:"
+    python --version
+    cd ..
+}
+
+install_conda() {
+    echo "Installing Conda..."
+    wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
+    bash Miniconda3-latest-Linux-x86_64.sh -b -p $HOME/miniconda3
+    source $HOME/miniconda3/bin/activate
+    conda init
+    echo "Conda installation complete."
+}
+
+install_neofetch() {
+    echo "Installing Neofetch..."
+    git clone https://github.com/dylanaraps/neofetch.git
+    cd neofetch || exit
+    make install PREFIX=$HOME/.local
+    echo 'export PATH=$HOME/.local/bin:$PATH' >> ~/.bashrc
+    source ~/.bashrc
+    echo "Neofetch installation complete."
+    cd ..
+}
+
+install_openjdk() {
+    echo "Installing OpenJDK 22..."
+    wget https://download.java.net/java/GA/jdk22.0.1/c7ec1332f7bb44aeba2eb341ae18aca4/8/GPL/openjdk-22.0.1_linux-x64_bin.tar.gz
+    tar -xzvf openjdk-17_linux-x64_bin.tar.gz
+    echo "Setting environment variables for OpenJDK 22..."
+    echo "export JAVA_HOME=$(pwd)/jdk-17" >> ~/.bashrc
+    echo 'export PATH=$JAVA_HOME/bin:$PATH' >> ~/.bashrc
+    source ~/.bashrc
+    echo "OpenJDK 17 installation complete."
+    
+    read -p "Do you want to install Minecraft server.jar? (yes/no): " install_minecraft
+    if [ "$install_minecraft" == "yes" ]; then
+        read -p "Enter the link to the server.jar (type 'none' or leave blank for default 1.20.2): " server_jar_link
+        if [ -z "$server_jar_link" ] || [ "$server_jar_link" == "none" ]; then
+            server_jar_link="https://piston-data.mojang.com/v1/objects/5b868151bd02b41319f54c8d4061b8cae84e665c/server.jar"
+        fi
+        wget "$server_jar_link" -O server.jar
+        read -p "Do you accept the Minecraft EULA? (type 'yes' to accept): " accept_eula
+        if [ "$accept_eula" != "yes" ]; then
+            echo "You must accept the EULA to run the Minecraft server. Exiting."
+            exit 1
+        fi
+        echo "eula=true" > eula.txt
+        echo "online-mode=false" >> server.properties
+        echo "Launching server..."
+        java -jar server.jar
+    fi
+}
+
+echo "Select the package to install:"
+echo "1) Python"
+echo "2) Conda"
+echo "3) Neofetch"
+echo "4) OpenJDK 22"
+
+read -rp "Enter your choice [1-4]: " choice
+
+case $choice in
+    1)
+        install_python
+        ;;
+    2)
+        install_conda
+        ;;
+    3)
+        install_neofetch
+        ;;
+    4)
+        install_openjdk
+        ;;
+    *)
+        echo "Invalid choice!"
+        ;;
+esac
+
+source ~/.bashrc
+echo "Restarting console: source ~/.bashrc"
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