Go to your account, select "Invite your team," and enter the email addresses of your team members.
You can either paste the key text into the window or click "Select license key file" to upload the .txt file you downloaded. Activation Process:
To use the license key, you must activate it within the Burp Suite application: How To Get Burp Suite Professional License Key
The only legitimate way to obtain a valid license key is to buy a subscription:
Each invited user will receive an email with instructions on how to set up their own account and access the shared subscription license. Go to your account, select "Invite your team,"
Navigate to the or "Your Licenses" section. Locate your active Burp Suite Professional subscription.
Click "Next" to let the software connect to PortSwigger's servers for automatic verification. Navigate to the or "Your Licenses" section
When you open Burp Suite Professional for the first time, a prompt will appear asking for your license key.
Click the link to save the .txt license file to your computer. 3. Activating the Software