If Java is not recognized as internal or external command, you need to make sure that the installation is not problematic and its path is recognized as system variables.

If so, you can follow this guide to learn how you can use the Task Scheduler, the in-built utility, to run any command via Command Prompt on startup on Windows 11 and Windows 10 computers.

Command Prompt essential commands for Windows 11 This list includes the most basic commands that any user should know. The list isn't arranged in any specific order.