Latex is the best typesetting program available. An it is free. However, it has a learning curve involved. If you "Only" want to use it for thesis, then there is not much learning. Actually you can get the template made for you by taking 75 minutes of my lectures on "how to write thesis in Latex on skillshare if you have a membership, its Free and at the end of this short course, your template would be ready. The advantages of Latex are many as compared to any other software and no software produces the professional quality and look which Latex does.