Paste the LIC back into the License Management window in Keil to complete the process. 3. Alternative & Official Options
Setting up a KEIL uvision5 Development Environment - WIZnet Docs
Keil MDK (Microcontroller Development Kit) is a software development environment provided by ARM (formerly by Keil Software). It's widely used for embedded systems development, offering a comprehensive set of tools for creating, testing, and debugging software for microcontrollers.