This patch file upgrades your DOOM v1.2
SHAREWARE to DOOM v1.666 SHAREWARE

Unzip into your DOOM directory and enter
PATCHIT at the command line to upgrade

NOTE: YOU MUST UPGRADE FROM DOOM v1.2. 

Patch v1.01 is the same patch as v1.0
it only alerts people to the 15 meg 
free HD space requirement.