Go to Help > License Activation and Installation .
Resolving License Activation and Installation Issues - SCARM
Your purchase confirmation email contains your unique reference number; keep this safe as it is required for all support and resets. Comparison of Versions Unregistered (Free) Licensed (Pro) Track Limit Up to 100 objects Layer Limit Price One-time fee (~$30-40) 3D Viewing Support Community-based Direct developer support
Restart SCARM to apply the changes. You will now see "Registered" in the help menu, and the 100-element limit will disappear. Troubleshooting New License Key Issues
The licensing system in SCARM 2.0 requires an account-based approach for improved security and flexibility. scarm license key new
Payment is a one-time fee per major version, not a recurring subscription.
There are several scenarios where obtaining a new SCARM license key might be necessary:
Which (HO, N, O, etc.) or track brand do you plan to use?
If you need help (for simulator features), or if you want to know the current upgrade price for your specific version, I can look that up for you. SCARM - General Discussion - Hornby Hobbies Community Go to Help > License Activation and Installation
The required to transition the Simple Computer Aided Railway Modeller (SCARM) software from its restricted free tier to the unlimited, full-featured commercial design ecosystem . Created by developer Milen Peev, SCARM has established itself as the leading software tool for designing precise, multi-scale virtual blueprints for physical model railroad track layouts.
For model railroad enthusiasts, few tools are as indispensable as (Simple Computer Aided Railway Modeller). This powerful, free-to-try software allows hobbyists to design layouts in 2D and 3D, test track geometry, and even visualize landscapes before laying a single piece of rail.
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: Automates the difficult task of printing 1:1 scale templates, allowing modelers to align layouts physically without manual margin adjustments. 2. License Lifecycle & Portability You will now see "Registered" in the help
: Purchasing a license now will provide a key compatible with SCARM 2 .
Previously, SCARM was widely known as freeware. However, to support continued development—such as the advanced 3D viewer, terrain editing, and rolling stock libraries—the developers have implemented a paid licensing model for the full "Pro" version.
Log in to your SCARM account and look for the "SCARM License Key (v1)" table.