Cookies are small pieces of data that are stored and used to improve the experience of using a site.
For example they can temporarily remember your browsing preferences to avoid selecting the language all the time, thus making subsequent visits more comfortable and intuitive.
Or they can be used to make "anonymous surveys" on how users navigate through the site, so that they can then improve it from real data.
Cookies do not record any personal information about a user and any identifiable data will not be stored. If you want to disable the use of cookies you need to customize the settings of your computer by setting the cancellation of all cookies or activating a warning message when cookies are stored. To proceed without changing the application of cookies, simply continue browsing.

Cookies are not viruses or programs
Cookies are not viruses or programs. Cookies are only data saved in text form in the form "variable = value" (example: "dataAccessSite = 2014-01-20,14: 23: 15"). This data can only be read by the site that generated them, and in many cases have an expiration date, beyond which the browser will automatically delete them.
Not all cookies are used for the same purpose: the following will specify the different types of cookies used by this website.

Essential cookies
These cookies are essential in order to allow you to move around the site and fully use its features. Without these cookies, some services will not work properly.

Performance cookies
These cookies collect information about how users use a website, but do not store information that identifies a visitor. These cookies are used only to improve the functioning of the website.
By using the site, you agree that these cookies can be stored on your device.

Functionality cookies
Cookies allow the site to remember the choices made by the user (such as language or other special settings that may be available) and provide customized advanced features, and can also be used to provide the required services. By using the site, you agree that these cookies can be stored on your device.

How to manage cookies on your PC
Each browser allows you to customize the way cookies are treated. For further information consult the documentation of the browser used.
Some browsers allow "anonymous surfing" on websites, accepting cookies and then deleting them automatically at the end of the browsing session. For more information about "anonymous surfing" consult the documentation of the browser used.