Parallels Desktop 12 for Mac arrives w/ macOS Sierra support, standalone 'Toolbox' utilities, performance bump (Giveaway) - 9to5Mac
![Parallels Support on X: "Wondering how to change Parallels Desktop virtual machine's serial number? These steps will help: https://t.co/9McpXoHWhY #ParallelsSupportTip https://t.co/8GhI3C61hw" / X Parallels Support on X: "Wondering how to change Parallels Desktop virtual machine's serial number? These steps will help: https://t.co/9McpXoHWhY #ParallelsSupportTip https://t.co/8GhI3C61hw" / X](https://pbs.twimg.com/media/GBoP0POXwAA43Lw.jpg)
Parallels Support on X: "Wondering how to change Parallels Desktop virtual machine's serial number? These steps will help: https://t.co/9McpXoHWhY #ParallelsSupportTip https://t.co/8GhI3C61hw" / X
![Error while activating Parallels Desktop for Mac using the command line: Failed to install the license Error while activating Parallels Desktop for Mac using the command line: Failed to install the license](http://kb.parallels.com/Attachments/kcs-38461/sign6.png)