Step 3: Creating the swap partition

Afterwards we end in the main partitioning menu again. Select the free space:

Make a new partition:

I select here 256 MB ram because it's just a virtual drive. Generally you should make it about twice your ram size but not more than 4 GB, except if you want to hibernate and have more than 4 GB ram. You should make it then at least equal your ram size.

Again primary:

Again at the beginning:

Set the properties according to the picture:

Remember, this will not be immediately setup due to the bug here: https://bugs.launchpad.net/ubuntu/+bug/231451 - we'll setup swap once we installed the system.

Step 4: Creating the "/" folder

Afterwards we end in the main partitioning menu again. Select the free space:

Make a new partition:

I select here 5 GB as root. This is because of the virtual disk. Normally you should use at least 10 Gb.... better 20 Gb to have enough space to install all the apps you want.

Again primary:

Again at the beginning:

Set the properties according to the picture however you can change encryption, key size and algorithm according to your preferences. Make sure the encryption key is a passphrase.