How to Install CFO Extension

OpenCart 1.5.0, 1.5.0.1, 1.5.0.2, 1.5.0.3, 1.5.0.4, 1.5.0.5, 1.5.1, 1.5.1.1, 1.5.1.2, 1.5.1.3, 1.5.2, 1.5.2.1, 1.5.3, 1.5.3.1, 1.5.4, 1.5.4.1, 1.5.5, 1.5.5.1, 1.5.6, 1.5.6.1, 1.5.6.2, 1.5.6.3, 1.5.6.4, 2.0.0.0
(Not all new features are included in this version)

OpenCart 2.2.0.0, 2.3.0.0, 2.3.0.1, 2.3.0.2
(All new features are ready to use in this version)

OpenCart 3.0.0.0, 3.0.1.1, 3.0.1.2, 3.0.2.0, 3.1.0.0_b, 3.0.3.0, 3.0.3.1, 3.0.0.0, 3.0.1.1, 3.0.1.2, 3.0.2.0, 3.1.0.0_b, 3.0.3.0, 3.0.3.1
(All new features are ready to use in this version)