Downloading a “crack” for free software exposes you to trojans, ransomware, or keyloggers. Since the software is already free, any crack is almost certainly malicious.
If you’re interested in Sandboxie Plus for legitimate isolation or testing purposes, here’s a constructive alternative: Sandboxie Plus Crack
If you’d like, I can instead help you write a legitimate review of Sandboxie Plus (features, usability, performance, pros/cons) based on its official release. Just let me know. Downloading a “crack” for free software exposes you