A: Without a valid license, you cannot open or modify your project. You must either purchase a license or use an alternative tool (if your device is supported). The ispLEVER Starter may be an option for newer devices, but not for the older CPLDs and FPGAs targeted by ispLEVER Classic.
If you are looking for an it is important to understand the current reality of Lattice’s support structure as of 2026. This article outlines the history of the free license, current alternatives, and how to maintain functionality for your legacy projects. 1. What is ispLEVER Classic?
It is important to note that the ispLEVER Classic free license is not permanent. Most of these licenses are valid for one year. When the license expires, the software will block design fitting and bitstream generation. To renew, you simply repeat the request process on the Lattice website. There is currently no limit on how many times a user can renew a free license for this legacy toolset. isplever classic free license
It was shut down in 2018. The domain isplever.com/classic now redirects to their cloud ERP.
As of 2026, Historically a "Starter" or "Web Edition" license was available at no cost for legacy devices, but Lattice Semiconductor has transitioned this software to a paid subscription model . Current Licensing Status A: Without a valid license, you cannot open
By understanding the true state of the licensing model, you can make an informed decision and keep your design projects on a solid, legal, and safe footing. While Lattice no longer offers the free license it once did, the tool remains available for those who need it through standard commercial channels, ensuring that your valuable legacy designs can continue to be supported for years to come.
Historically, Lattice offered free, yearly renewable licenses for ispLEVER Classic. If you are looking for an it is
While newer projects use or Diamond , ispLEVER Classic is the only tool that supports many legacy, mature architectures. 2. The Truth About the "Free" License in 2026