If you want to add the additional information about your product to customers you may use Attachments option in Store Manager.
It can be instruction or warranty or information about service maintenance of the current product, etc.
To do this go to Store -> 'Attachments' section in the top menu.
Using toolbar, click on the 'Add Attachment' button. This will cause the emergence of the following form - 'Edit Attachment Data' (see an illustration above), where you should enter the necessary information for the attachment, i.e.:
1. ‘Filename’ field - specify the name of the attached information. It does not have to be identical with the name of the file, that is attached.
2. ‘Description’ - describe the submitted data;
3. ‘File’ - this field is used for loading the necessary file to your store.
If all data is entered and the file is uploaded, click 'OK' button to add this attachment.