Every template and module comes with an installation file inside it (install.txt) .
You can also buy the installation service along with the template or extesion(if installation service is available).
If you do so, please leve the ftp and the admin access in the order comment area.
In maximum 48h the template ot module will have been installed.
Sometimes the installation may require some other data then ftp and admin , and if that is the case , we will contact you.
Some products dont have an installation option , if that is the case , contact us at firstname.lastname@example.org