How to track usage of your time on your computer?

You can track usage of your time using a lot of different ways.

• Use a pen and a paper;
  
• Use some spreadsheet program with columns for task, start time, end time;
• Use some programs to do the same. For example you could find here a lot of alternatives;
• Use some free programs to do the automatic tracking. For example you could use TimeTrack;

Probably the best way is to start with TimeTrack (there is a free edition) and see if you need something more. TimeTrack is very automated. Actually, you don't have to do anything but analyze your work. TimeTrack will start automatically whenever you start your computer, waits in the tray and it is doesn't consume to much memory.