Jun 14, 2018 - 1:55 AM
Your questions have been answered in many previous postings on here.
And the resources you need will also be on this site - and the links from it.
My suggestion is to have a good read of the material available and come back on here with some more specific questions.
Prior planning for a wonderful Swiss adventure pays benefits and is an essential component of a wonderful visit to Switzerland.
Enjoy your travels!