For software that doesn't require you to click a EULA button or change a value in a EULA file to acknowledge you agree to the EULA, they can just make it part o

For software that doesn't require you to click a EULA button or change a value in a EULA file to acknowledge you agree to the EULA, they can just make it part of the Terms Of Service that you inherently agree to by using their software/service.