I'm using Parallels Desktop 2.5/3 Can I upgrade to Parallels Desktop 6?
Parallels has stopped supporting and maintaining Parallels Desktop 2.5 and 3.0 with the release of Parallels Desktop 6.
Please find more details on this here: https://kb.parallels.com/8728
Should you like to take advantage of all new Parallels Desktop 6 features feel free to purchase a Full copy of Parallels Desktop 6 for Mac from our website: https://www.parallels.com/store/
If you have any questions or comments please do not hesitate to contact Parallels Customer Service