It supports the older version of the Skyrim Script Extender (SKSE64 v2.0.20) , which is required for many complex mods that haven't been updated for the newer 1.6+ "Anniversary" builds.

Many modern mods require the "Address Library" to function. The version of this library is essential for loading DLL-based mods without crashing. Many mods on Nexus Mods have two file tabs: one labeled SE (for 1.5.97) and one labeled AE (for 1.6.x).

: On modern SSDs, loading times are often reduced to a few seconds, a sharp contrast to the long waits of previous console generations. Included Content

For purists who want untouched files directly from Steam's servers, you can download the old files via the Steam console:

: Provides vastly improved stability and the ability to utilize more than 4GB of RAM.

The significance of version 1.5.97.0 centers entirely on the Skyrim Script Extender (SKSE) and code compatibility.

: This version is compatible with the .Net Script Framework , a tool widely considered to have the most readable and useful crash logs for troubleshooting complex mod lists. Technical Improvements over Original Skyrim