The Pro version is entirely browser-based (HTML5). You don't need to install local Telnet or VNC clients on your PC to access your lab devices.
Log into your EVE-NG Web UI. At the top of the screen, click "License Request." This generates a long string of code unique to your hardware. i+eveng+pro+license+key
Upgrading from Community to Pro is less about "more nodes" and more about . The Pro version is entirely browser-based (HTML5)
Once payment is processed, you will receive your License Key via email. Paste this key back into your EVE-NG UI to activate all Professional features. Community vs. Professional: At a Glance At the top of the screen, click "License Request
Pro supports Docker containers natively, allowing you to run lightweight Linux tools, web browsers, or traffic generators without the overhead of a full Virtual Machine.