License Key New — Yourkit

Even with a valid key, you might encounter errors. Here’s how to resolve them:

When you launch the YourKit UI (.sh or .bat on Windows), a dialog box appears: yourkit license key new

If you already have an old key saved and want to replace it with a yourkit license key new: Even with a valid key, you might encounter errors

Visit the official YourKit store. Upon successful payment (credit card, PayPal, or wire transfer), you receive an automated email from sales@yourkit.com. This component provides a UI for the user

YourKit generously provides free licenses to qualified open-source projects. The project lead can request a license via the official form. If approved, a new open-source license key is issued, typically valid for one year.

This component provides a UI for the user to input the new key.

File: components/AddYourKitLicense.tsx

import React,  useState  from 'react';
import axios from 'axios';
const AddYourKitLicense: React.FC = () =>  null>(null);
  const [success, setSuccess] = useState(false);
const handleSubmit = async (e: React.FormEvent) => 
    e.preventDefault();
    setLoading(true);
    setError(null);
    setSuccess(false);
try 
      await axios.post('/api/v1/licenses/yourkit', 
        licenseKey,
        assignedTo
      );
      setSuccess(true);
      setLicenseKey(''); // Clear form
      setAssignedTo('');
     catch (err: any) 
      setError(err.response?.data?.message  finally 
      setLoading(false);
;
return (
    <div className="license-card">
      <h3>Add New YourKit License</h3>
      <p className="subtitle">Enter the license key provided by YourKit or your administrator.</p>
<form onSubmit=handleSubmit>
        <div className="form-group">
          <label>License Key</label>
          <input
            type="text"
            className="input-field"
            placeholder="XXXXX-XXXXX-XXXXX-XXXXX-XXXXX"
            value=licenseKey
            onChange=(e) => setLicenseKey(e.target.value)
            required
          />
        </div>
<div className="form-group">
          <label>Assign to (Email)</label>
          <input
            type="email"
            className="input-field"
            placeholder="dev@example.com"
            value=assignedTo
            onChange=(e) => setAssignedTo(e.target.value)
          />
        </div>
error && <div className="alert alert-error">error</div>
        success && <div className="alert alert-success">License activated successfully!</div>
<button type="submit" className="btn-primary" disabled=loading>
          loading ? 'Validating...' : 'Activate License'
        </button>
      </form>
    </div>
  );
;
export default AddYourKitLicense;