BE CAREFULL taking this offer - you will have to give up permanent license in exchange of one year subscription.
Here's a list of the Paralles alternatives.
1. VMWare Fusion
48 Euro [currently 35 Euro for a limited time] permanent "personal (means you can install on more than one Mac you own)" license for former Prallels users.
I highly recommend this. With 30 days free trial to test it out.
2. Oracle VertulaBox
Free, but many bugs. External USB drive connection in particular does not work very well.
Try not the latest, but the older ver 5.0 (still works in Sierra), which is relatively bug-free.
3. Veertu (for Mac)
Free but $40 paid version required to install VM from iso image.
4. Urge Software Wineskin Winery (for Mac)
Free, but I have not tried it yet.
Please Google them since I am not allowed to post any third party product link here.
Last edited: Nov 24, 2016