The End User Licensing Agreement (EULA) will generally allow installation on one machine, and sometimes allows a backup to be made. Installing the software on an additional machine would violate the agreement.
Works of sufficient originality are automatically protected as soon as they are fixed in a tangible medium. Although notification is not required for protection, it is helpful to include the date of...
Copyright treats software as a "literary work," meaning that just as a book, only the rightsholder can copy, alter, distribute, or display it, or authorize others to do so. Notably, the End User...
Assuming the software meets the criteria for copyright protection ("a work of sufficient originality fixed in a tangible medium perceptible by human or machine") the author of the software, or in the...