It doesn't write to the Windows Registry or leave "junk" files behind. You simply run the executable file.
CorelDRAW 12 Portable: A Classic Graphic Suite for On-the-Go Design coreldraw+12+portable
CorelDRAW 12 Portable is a powerful trip down memory lane for veterans and a lightweight tool for quick vector edits. Its tools and Dynamic Guides changed the industry, and they remain just as useful today for simple layouts and logo design. It doesn't write to the Windows Registry or
Portable versions can be prone to crashing since they aren't integrated into the operating system's libraries in the standard way. coreldraw+12+portable