Some products from ESET (for example ESET Mail Security for Microsoft Exchange Server) require license keys to be installed.
The list of license keys displays all license keys that have been uploaded to ESET Smart Security license key manager. If some of the products you installed from ESET doesnt work, the reason may be that there is no license key installed, or it is expired. Each license key contains the following information:
Product product name; name of
Add opens a dialog window that
enables you to add a file with the LIC extension products
license keys to the list of uploaded keys