To install the site Yandex cash

About the website:
A lot of the website page, not an online store.
Establish a form of payment from a Yandex free cash sum.
On the website there is no https certificate.
Cms joomla2.5 (upgrade to new version is not possible)
You need to prepare the site to connect to the system.
Interaction with the service "Yandex Kassa" expert connects this register.

The amount of work set to conditional. Make your offers.