Click on the [[!img lib/view-more.png alt="Drive Options" class="symbolic" link="no"]] button in the title bar and choose **Format Disk** to erase all the existing partitions on the device.

Click on the **[[!img lib/list-add.png alt="Create partition" class="symbolic" link="no"]]** button to create a new partition on the device.

The device appears in the list of storage devices. Click on it.

Click on the [[!img lib/system-run.png alt="Additional partition options" class="symbolic" link="no"]] button and choose **Change Passphrase** in the shortcut menu.