You might wonder how to download your photos, videos and messages from Facebook, but you don’t need to. Facebook has introduced a feature where you can take a backup of your account with just one click.
Step 1: Go to “Settings” option
Step 2: One “General Account Settings” tab, at the bottom you can see “Download a copy of your Facebook data.”
Step 3: Click “Download a copy of your Facebook data” and then press “Start My Activity”. Enter your password. Facebook will send you a mail to your account on “Download Request”.