It sounds like you're looking for information on an update for Middle-earth: Shadow of War — specifically something labeled "121exe" — and possibly a download link. However, I need to give you an important heads-up before proceeding.
The CODEX Release: The well-known group CODEX released a version (v1.20) that many users found "unplayable" due to massive bugs and long loading times. middle earth shadow of war update 121exe link
To ensure you have the most stable and feature-complete version of the game, use the following official methods: It sounds like you're looking for information on
Troubleshooting: Note that after patch 1.21, deleting or renaming intro video files may cause an infinite black screen. To ensure you have the most stable and
Spider "Insta-Kills": Patched a bug where spiders could kill Captains instantly rather than putting them into a bleedout state. The "Link" and Piracy Context
Middle-earth: Shadow of War was released in 2017. Its final major update (including the Desolation of Mordor and Blade of Galadriel story DLCs, the removal of the Marketplace, and the Nemesis System rebalancing) was version 1.21 (often referred to as the “July 2018 update” or “patch 1.21”).