Doubling Time


Doubling Time is Free !! Feel free to donate !

Doubling Time is available for Windows XP and Vista and needs to be activated.

Please follow these steps

  1. Download the version you need : XP or Vista
  2. Install Doubling Time Setup
  3. Get your Computer IDfrom Doubling Time installed on your computer
  4. Fill in the form to get your activation key :


Create users

Each user has its own cell lines

Count the cells - compute - print - go back to the bench

Edit personal settings