Step 1: Download the All-in-One WP Migration plugin
Step 2: Log into your Wordpress dashboard and go to:
> Plugins > Add New > click 'Upload Plugin' (top of page)
Step 3: Click 'Choose file' and choose the All-in-One WP Migration plugin you just downloaded
Step 4: Activate the plugin
Step 5: Go to: > All-in-One WP Migration > Export

Step 6: Click 'EXPORT TO' and select 'FILE'
Step 7: It will then generate the WordPress backup. Click the download link once it completes.