Download the Windows installer from the POPFile Download Page, and run setup.exe and follow the instructions in there. You can launch POPFile from the Start Menu (Start→ Programs → POPFile → Run POPFile in Background), or reboot and it will start automatically. Important note: nothing will appear on your screen! To check if it's running correctly, read the “Accessing POPFile” section below.
You'll need several things to get started with POPFile.
POPFile itself occupies just over a megabyte. The word lists (called the corpus) used to classify your email will take some additional space depending on how much mail you use to train POPFile and how many buckets you create.
See also:
Should you find anything in the documentation that is incomplete, unclear, outdated or just plain wrong, please let us know and leave a note in the Documentation Forum.