While some online listings may use the term "free" to attract traffic, .

These are small text files or "readme" instructions that tell you how to add the 3D lights to specific add-on aircraft A2A Simulations Requirement:

In default FSX, aircraft landing/taxi lights are simple bitmaps: a cone of faint, flat light that barely illuminates the ground. 3DLR replaces these with:

. While there are many free enhancement files (configurations) available online that tell the software how to work with specific third-party planes, the core "Redux" installer itself is not freeware A2A Simulations Where to Legally Acquire the Installer