To gain the features of an optical drive , users can either purchase an external USB SuperDrive ( or other brand of DVD drive ) or the bundled Remote Disc software , only for disk browsing or software installation , to access the optical drive of another computer wirelessly that has the Remote Disc program installed .
To regain the features of an optical drive , users can either use a separately-available external USB SuperDrive , or the bundled Remote Disc software to access the optical drive of another computer .