Home
Train Sim Addons expand_more
PS5 Gaming ASSISTANCE expand_more
PC Gaming ASSISTANCE expand_more
Marketplace expand_more
Support Community Chat SA App

SA App — Simadda Installer

Install your owned Train Simulator Classic add-ons directly into RailWorks. Download one file, paste it into your game folder, connect with your account, and install — no manual ZIP extraction for add-ons.

Log in to download Create account
download
One file download

Single SimaddaInstaller.exe — copy into RailWorks and run.

key
Secure sync

Your Installer API Key links the app to products you own on SIMADDA.

system_update
Auto-updates

The app checks for signed updates and installs them in place.

train
All TSC add-ons

Repaints, scenarios, routes, sounds, presets, mods, and more.

route How to install the SA-APP in your RailWorks Folder

You only need one file: SimaddaInstaller.exe. Copy the entire folder "SimaddaInstaller" that contains only "SimaddaInstaller.exe" file inside it run (PS → YOU CAN ALSO CREATE A DESKTOP SHORTCUT OF "SimaddaInstaller.exe" FILE FROM GAME ROOT FOLDER). Close the Game before you start the app or during the installation of any Railworks product.
NOTE: NO NEED TO RUN THE APP IN THE BACKGROUND ONCE THE ADD ONS ARE INSTALLED.

1
Get your API Key
Log in to SIMADDA → Dashboard → Simadda Installer → copy your Installer API Key.
2
Download the app
Download SimaddaInstaller.zip from your customer dashboard, extract the zip folder, you get a single Folder by the name of "SimaddaInstaller" (~45–100 MB).
3
Open RailWorks in Steam
Steam → right-click Train Simulator Classic → Manage → Browse local files.
4
Copy → Folder
Copy the entire folder "SimaddaInstaller" that contains only "SimaddaInstaller.exe" file inside it.
5
Paste → Folder
Paste it to Railworks root game directory (where you see Assets, Content, Utilities.exe).
6
Run and connect
Double-click the EXE → Connect account → enter your account email and Installer API Key. Optionally tick Save API key (still valid for 7 days only).
7
Install add-ons
Select a Train Simulator Classic product → Install → close the app → open Train Simulator. Make sure to clear the cache from SA APP-More-Clear cache-Refresh if app crashes.
Correct folder layout
Make sure to extract the zip folder and copy the entire folder "SimaddaInstaller" that contains only "SimaddaInstaller.exe" file inside it and paste it to Railworks root directory: C:\Program Files (x86)\Steam\steamapps\common\RailWorks\
Installer API keys expire after 7 days. Reset anytime from your dashboard or wait for automatic renewal after expiry.
Ready to install?

Log in to get your Installer API Key and download the app.

Log in to continue