If you choose a reseller, be prepared to provide your company details for the license registration.
Getting a new key involves choosing between a temporary evaluation key or a permanent commercial key. Requesting a New Evaluation Key
Shared among a team. A central license server manages the keys, allowing a specific number of concurrent users to run the profiler at any given time. 3. Free Licenses for Open Source and Education
: Free or discounted licenses are often available for students and faculty at accredited educational institutions. PaperMC & YourKit Integration yourkit license key new
There are several scenarios where you might need a new license key. The table below summarizes the most common situations and the action to take:
Provides access to the latest features and updates for a year, generally offering a lower initial cost compared to perpetual licenses.
Once you have obtained a legitimate new license key, activation is straightforward: If you choose a reseller, be prepared to
| Situation | Action Required | | :--- | :--- | | | Obtain a new license key after purchase. | | Your support contract has expired (perpetual license). | Purchase a support renewal to receive a new key. | | You want to add a new user (additional seat). | Purchase an additional seat license . | | You lost your license key. | Check your order confirmation email, or use the license management portal . |
Once you receive your new license key string, you must register it within the application to unlock the profiler. Method 1: Via the User Interface (UI) Launch the YourKit Profiler desktop application.
Ensure you are trying to activate the version your license covers (e.g., a 2025 license may not activate 2026.3). A central license server manages the keys, allowing
Renewing ensures you can always run the latest version of the profiler, which is critical for supporting the newest JVM or .NET runtime updates. Pro Tip: Connecting to Remote Tools
Your annual subscription or maintenance contract is expiring. 1. How to Obtain a New YourKit License Key (2026)
YourKit Java Profiler is a commercial tool designed for professional developers, QA engineers, and DevOps specialists. While an evaluation version is available, a new license key provides: