What is the ruling on money earned from e-commerce using a device with a pirated Windows 7 installed? And what is the ruling on studying programming in a school whose computers have non-genuine Windows, and what is the ruling on teaching accounting and economics subjects in it?

Intellectual property rights are protected for their owners, and it is not permissible to infringe upon them by using non-original copies of copyrighted software, whether in e-commerce, study, teaching, or any other use. As for the money earned through work that utilizes a non-original software copy, it is permissible for the earner. However, one must seek absolution from the rights holders by requesting forgiveness, reconciliation, or compensation. Some scholars permit the use of software for personal benefit for those who are in need.