To order:

–
register by
creating an account
–
click
on the desired products
– add to the basket.

– When the order is completed, validate the general terms of sale.
–
pay
by cheque or by PAYPAL (online bank, see https://www.paypal.com) 
– no credit card payment

To receive the products:

– upon receipt of payment (immediately by   PAYPAL), an email containing the
download links of
the purchased products is addressed to you.
–
click
on these download links
–   save

on your computer
– an
invoice
is sent to you within 48 hours to the email address listed in your account.