[[<i>Rufus</i> from Windows|install/windows#rufus]]
12
Immediately press-and-hold the <span class="keycap">Option</span> key (<span class="keycap">⌥</span> or <span class="keycap">Alt</span>key) when the startup chimesound is played.
Immediately press-and-hold the <span class="keycap">Option</span> key (<span class="keycap">⌥</span>or<span class="keycap">Alt</span> key) when the startup soundis played.
16
[[!img install/inc/screenshots/mac_startup_usb.png link="no" class="screenshot" alt="Screen with the logo of an internal hard disk labeled 'Macintosh HD' and an external hard disk labelled 'Windows' (selected)"]]
[[!img install/inc/screenshots/mac_startup_usb.png link="no" class="screenshot" alt="Screen with the logo of an internal hard disk labeled 'Macintosh HD' and an external hard disk labelled 'Windows' (selected)"]]
[[!img install/inc/screenshots/grub.png link="noclass="screenshot" alt="Black screen ('GNU GRUB') with Tails logo and 23 options: 'Tails' and 'Tails (Troubleshooting Mode)' and 'Tails (External Hard Disk)'."]]
[[!img install/inc/screenshots/grub.png class="screenshot" alt="Black screen ('GNU GRUB') with Tails logo and 3 options: 'Tails' and 'Tails (Troubleshooting Mode)' and 'Tails (External Hard Disk)'."]]