CorelDraw X3 is proprietary, paid software. Even though the version is outdated, it is still protected by copyright. Distributing or downloading a "cracked" or "portable" version is technically software piracy. Corel, like Adobe, retains the rights to their legacy code.
Believe it or not, you can still buy old CorelDRAW licenses on secondary markets (eBay, B&H Photo used software). However, you will need a CD-ROM drive and a Windows XP/Vista virtual machine to run it safely. Corel Draw X3 Portable Free Download
CorelDRAW X3 is from 2006. It does not support modern security protocols. If you run this portable version on a Windows 10 or 11 machine connected to the internet, you are opening a backdoor. Hackers can exploit ancient buffer overflow vulnerabilities in X3 to take control of your PC. CorelDraw X3 is proprietary, paid software