The program runs with JRE 1.4.1 that is free for downloading. Install JRE 1.4.1 for your computer in Windows or Linux in C:\ as follows:

• Click one of the following links (1, 2) and choose "Open" , that will download and install JRE in "C:\Program Files\Java\j2re1.4.1"

Check if you have “C:\ABDCalendar”, otherwise click one of the following links: 0, 1, 2, 3, 4, 5 and choose "open" then run "Setup.exe" that creates program at “C:\ABDCalendar”

Click shortcut of Start/Program/Opportunity Calendar/Calendar