To update Debian 13, follow the steps below:
Step 1 : Open a terminal on your Debian 13 system or connect to it using SSH.
Step 2 : Update the package list to get the latest information from repositories:

Step 3 : Upgrade all installed packages to their latest versions:

Step 4 : Perform a full upgrade to handle dependency changes if needed:

Step 5 : Reboot the system to apply changes, especially after kernel updates:
Congratulations, you have successfully updated your Debian 13 system.