Where Do I Find My Easycomp Serial Number?
If you haven't already done so, download Easycomp onto your computer then install it and run it.

If you don't yet have a licence, or if you had one but it expired, your serial number will be displayed when you run Easycomp

If you have a valid licence, your serial number is displayed on the blue start-up screen...

...but if you can't read it before the blue screen disappears, it's also shown on the "Help", "About Easycomp" screen

Unlicensed software
Splash screen
About Easycomp