Comment installer OS X 10.9 sur mon Mac ? Réponses aux questions fréquentes
How do I get OS X 10.9 on my Mac? Restart your computer, and immediately hold down command-r until the gray Apple logo appears. If prompted, select your main language and then click the arrow. Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk. En … Lire la suite