Third-party "portable" downloads often come bundled with viruses or Trojans.
If you're a student, teacher, or part of a non-profit organization, you might be eligible for a discounted version of the software.
It is highly recommended to downloading "portable" or "cracked" versions of CorelDRAW X5, as these are often modified hacks that can expose your computer to malware and viruses. Furthermore, using keygens or cracked software violates licensing laws.