PLEASE READ BEFORE ENTER !!!
I couldn't tick all the countries suitable for the key. Countries that listed below are able to activate the this key (according to enaba). So please don't enter if your country isn't listed here.

Andorra
Antigua and Barbuda
Anguilla
Angola
Antarctica
American Samoa
Austria
Australia
Aruba
Aland Islands
Bosnia and Herzegovina
Barbados
Belgium
Burkina Faso
Bulgaria
Bahrain
Burundi
Benin
Saint-Barthélemy
Bermuda
Brunei Darussalam
Bouvet Island
Botswana
Canada
Cocos (Keeling) Islands
Central African Republic
Congo (Brazzaville)
Switzerland
Côte d'Ivoire
Cook Islands
Cameroon
Cuba
Cape Verde
Christmas Island
Cyprus
Czech Republic
Germany
Djibouti
Denmark
Dominica
Algeria
Estonia
Egypt
Western Sahara
Eritrea
Spain
Ethiopia
Finland
Fiji
Falkland Islands (Malvinas)
Micronesia, Federated States of
Faroe Islands
France
Gabon
United Kingdom
Grenada
Guernsey
Ghana
Gibraltar
Greenland
Gambia
Guinea
Guadeloupe
Equatorial Guinea
Greece
Guam
Guinea-Bissau
Heard and Mcdonald Islands
Croatia
Hungary
Ireland
Israel
Isle of Man
Iraq
Iran, Islamic Republic of
Iceland
Italy
Jersey
Jamaica
Jordan
Japan
Kenya
Cambodia
Kiribati
Comoros
Saint Kitts and Nevis
Korea (South)
Cayman Islands
Lao PDR
Lebanon
Saint Lucia
Liechtenstein
Liberia
Lesotho
Lithuania
Luxembourg
Latvia
Libya
Morocco
Monaco
Montenegro
Saint-Martin (French part)
Madagascar
Marshall Islands
Mali
Myanmar
Mongolia
Northern Mariana Islands
Martinique
Mauritania
Montserrat
Malta
Mauritius
Malawi
Mozambique
Namibia
New Caledonia
Niger
Norfolk Island
Nigeria
Netherlands
Norway
Nauru
Niue
New Zealand
Oman
French Polynesia
Papua New Guinea
Poland
Saint Pierre and Miquelon
Pitcairn
Puerto Rico
Palestinian Territory
Portugal
Palau
Réunion
Romania
Rwanda
Saudi Arabia
Solomon Islands
Seychelles
Sudan
Sweden
Singapore
Saint Helena
Slovenia
Svalbard and Jan Mayen Islands
Slovakia
Sierra Leone
San Marino
Senegal
Somalia
South Sudan
Sao Tome and Principe
Syrian Arab Republic (Syria)
Swaziland
Turks and Caicos Islands
Chad
French Southern Territories
Togo
Tokelau
Timor-Leste
Tunisia
Tonga
Trinidad and Tobago
Tuvalu
Tanzania, United Republic of
Uganda
US Minor Outlying Islands
United States of America
Holy See (Vatican City State)
Saint Vincent and Grenadines
British Virgin Islands
Virgin Islands, US
Vanuatu
Wallis and Futuna Islands
Samoa
Yemen
Mayotte
South Africa
Zambia