was released in 2014, supporting OS X Yosemite and Windows 8.1/10 previews at the time. It introduced features like iCloud integration, improved battery life, and USB 3.0 support. However, it is now obsolete and no longer supported by Parallels (the current version is Parallels Desktop 19/20). Activation keys for version 10 are not sold officially anymore, and any list claiming to provide working keys is likely outdated, illegal, or malicious. For safe and legal use, upgrade to a current Parallels version or use free alternatives like VirtualBox.
Here are some activation keys that are currently working for Parallels Desktop 10 for Mac: parallels desktop 10 for mac activation key list updated
If you cannot find a key, you can reset the 14-day trial infinitely (for educational use). This does not require a key list, only Terminal commands: was released in 2014, supporting OS X Yosemite and Windows 8