--EDIT1--Corrected incorrect information on step 2 (to do with limitations with parameters).--EDIT2--Added a couple of lines about an auto-installer in step 4.
This instructable will cover the basics of creating your own commands (and even installing them on others computers) which you can use to further cut down the amount of work you need to do.
Some things you should have:
A Windows computer (preferably modern)
A USB (for transporting the files around)
A basic to advanced understanding of the syntax involved with batch commands (this is not a tutorial to help you learn about commands, this is a tutorial about making your own
Basic computer know how (for instance, knowing how to navigate through folders)
If you don't have a basic understanding of the syntax involved with batch scripts and the like, feel free to either search for a tutorial, ask questions or comment on something you don't understand.