How to execute Cross browser automation simultaneously?


How to execute Cross Browser automation simultaneously using same XLT script ?
Suppose if i generate xlt script in Windows platform, for Fire fox and Chrome and I want to run the same for Safari , do you have support for Safari in Windows platform ?

I checked with Safari, and found that Apple not supporting Safari automation in Windows platform, Hence I installed Oracle virtual box - installed mac Sierra - installed XLT - and then automated Safari 10 …

Is there any better alternate option ?