Hello to all, On my MBP 2016 I would like to install and Old Mac OS ... 10.9.5 Maverick, I use a startup USB drive made on my old macbook Pro 2012 but after the installation starts I get an alert : Impossible de vérifier cette copie de l'application Installer OS X Maverick. ... in French Impossible to verify this copy of the application 'Installer OS X Maverick'. ... my be in English Do I have to go back to an older system, and upgrade then to 10.9 ? I have an old dvd of Panther Or is there an other solution ? Thanks.
Hi AlianD1, the best option would be download an installation file for Mavericks and install it on top of Parallels Desktop. Please check out this article to know the manual installation.
