If you need access to EditPlus 5.7:

On the initial evaluation warning screen, click "Register" or "Enter Registration Code". Alternatively, go to the menu and select Help > Enter Registration Code .

Copy and paste the multi-digit into the second field to prevent typographical errors.

The developers frequently release patches and minor updates to improve stability and security. By using a genuine registration code, you ensure access to these updates and official technical support. If you are still using an older version, upgrading to 5.7 provides better support for high-DPI displays and improved compatibility with the latest web standards.