Brain covered this earlier here: Issue with obtaining Grace Period upgrade WL8.5 - WaveLab - Steinberg Forums
or more directly here:http://www.steinberg.net/en/support/grace_period.html
Brain covered this earlier here: Issue with obtaining Grace Period upgrade WL8.5 - WaveLab - Steinberg Forums
or more directly here:http://www.steinberg.net/en/support/grace_period.html