Copyright includes the following personal rights and property rights: Right of publication, right of signature, right of network communication and other rights that should be owned by the copyright owner  Once a work is created, it is copyrighted  According to the copyright law, computer software is also a work and there is no essential difference between the copyright of the computer software and the copyright of other works
If you have the permission of the original author, you are entitled to the work as long as you have made four fifths of the revisions and come up with your own copyright
If you create this software, then you can enjoy its right of network communication.