Securing a legitimate is entirely possible—provided you have an active or legacy subscription. While the version is no longer supported, its reliability and feature set keep many business-critical applications running smoothly today.
DevExpress generally keeps the current major version available for trials. To get 18.1 specifically, you must have a valid license for that version or higher. Devexpress 18.1 Download
: If you are using NuGet packages or have a custom build environment, you can download your license key from DevExpress.com and manually place it in the correct location: Devexpress 18.1 Download