Microsoft allows you to download a Windows 11 on ARM virtual machine image for free from their developer website (search for "Windows 11 Client ARM64 Insider Preview VHDX"). You don't need a paid license to install and run this for evaluation purposes, though you will eventually need a Windows license to remove the watermark.
If you still want to crack Parallels Desktop 18, here's a step-by-step guide: how to crack parallels desktop 18 for mac m1 install
Cracking Parallels Desktop 18 for Mac M1 install may seem like a cost-effective way to try out the software, but it comes with limitations and risks. If you plan to use Parallels Desktop 18 for commercial or personal use, we recommend purchasing a valid license to ensure stability, security, and access to updates and support. Microsoft allows you to download a Windows 11