You need to save a 4-layer PCB or keep a file for a semester project. You will hit the "No Save" wall and lose hours of work.
How to Download Proteus for FREE (Legal Trial & Installation Guide) proteus free version download
This is the official download from Labcenter. It is fully functional but has two major limitations: You need to save a 4-layer PCB or
: Labcenter will send an automated email containing a personal download link. Note that this link typically expires after 2 hours . It is fully functional but has two major
There is no magic "free version" of Proteus that lets you save commercial projects. The official demo is for evaluation only. If you are a student, ask your professor for a lab license. If you are a hobbyist, switch to or Wokwi .
It is vital to understand the restrictions of the free trial:
(Visual: Speed-run of the installation process) Narrator: "Run the installer. It’s straightforward. Once installed, open the program. It may ask you to activate a license—choose 'Evaluate' or 'Demo Mode' to use the free trial features."