You can upgrade from Ubuntu 20.04 to 22.04 by following these steps:

Step 1: Update Your System

Before upgrading, ensure your system is fully updated.

1. Open a terminal (Ctrl + Alt + T) and run:

   sudo apt update && sudo apt upgrade -y
   sudo apt dist-upgrade -y

2. Remove unused dependencies:

   sudo apt autoremove -y

Step 2: Ensure update-manager-core is Installed

   sudo apt install update-manager-core -y

Step 3: Start the Upgrade Process

1. Run the upgrade tool:

   sudo do-release-upgrade

If no new release is found, try:

   sudo do-release-upgrade -d

2. Follow the on-screen instructions, confirming prompts when needed.

Step 4: Reboot Your System

Once the upgrade is complete, restart your system:

   sudo reboot

Step 5: Verify the Upgrade

After rebooting, check your Ubuntu version:

   lsb_release -a

Your system should now be on Ubuntu 22.04 LTS. 🚀