If your development machine has no internet access:
For any questions about licensing terms, pricing, or activation, contact YourKit sales directly at sales@yourkit.com [6†L8-L10][12†L8-L10].
For automated testing or build servers, you can activate YourKit without a GUI:
Once you have the new key string, here is how to apply it to the profiler. The process varies slightly between the Java and .NET profilers, but the logic is identical. yourkit license key new
The official YourKit website is the most straightforward path. For detailed pricing, you can visit their New Licenses and Renewals page. Here is a breakdown of the costs:
: Download the latest stable version of YourKit Profiler matching your operating system (Windows, macOS, or Linux).
For large-scale organizational deployment. 2. Free Evaluation License If your development machine has no internet access:
If you already have an old key saved and want to replace it with a :
If you want to test the capabilities of the profiler before buying, YourKit offers fully functional trial licenses.
: Free or discounted licenses are often available for students and faculty at accredited educational institutions. PaperMC & YourKit Integration The official YourKit website is the most straightforward
If your subscription has expired, you will need to purchase a license renewal to get a new key for the upgraded software. CI/CD and Server Automation
Once you have your new key (usually a long alphanumeric string), activating it is simple. Launch the YourKit Profiler application.