Блин, ступил!
Все есть в файлике readme.nfo. Открываете его блокнотом и видите :
Corel Drawings Pro X3 (MB)
You need to have installed, and working Corel Draw X3, before installing Drawings X3
run "Setup.exe"
if serial asked for select 'Cancel'
run "updateX3.exe"
replace installed (c:/program files/drawings/system/) "cbusbe.dll" and "JEngine.dll" with one's provided herein
run and use:
name: DRAWINGS
key: 00000K-JHVHCQ-ZH5NWR-Q6XEH3-924H4D-2XYYTY-027V7R-XQC864-WP56K6-DNPYJ9
Ура! Прога работает!