Parallels offers a 14-day full-featured free trial on their official website. This is the best way to see if it works for your needs without any risk [1, 2].
While it has historically been for Intel Macs, development for Apple Silicon support is ongoing (currently in Developer Preview/Beta) [4].
It’s tempting to search for a "free activation key" for , but it is important to be aware of the risks involved with these types of offers.
