Based on your request title "easyeda activation file" and the instruction "develop a feature," I will interpret this as a request to develop a software feature that manages the licensing and activation process for an application (like EasyEDA).
If you are getting started with PCB design or switching from other EDA software, you may have come across the term "EasyEDA activation file." Because many professional EDA tools (like Altium or OrCAD) require complex licensing, users often assume EasyEDA requires the same. easyeda activation file
How to get an EasyEDA activation file?
“EasyEDA is introduced as a free online software... While there's an option to download, users can also design online.” YouTube · Learning Microcontrollers Based on your request title "easyeda activation file"
Manual Activation: If the dialog doesn't appear, you can often find the activation option under the Settings (gear icon) or the Start Page. Offline Activation: The user generates a request code,
If you absolutely need the private workspace (the only major paid feature), here is how to get it legally (and cheaply):
For the vast majority of users, there is no "activation file" in the traditional sense (like a file). Because EasyEDA is primarily a SaaS (Software as a Service) platform, activation is handled via User Accounts