you are aware that UM 16.04 is still in the dev stage at the moment and may not be useful for day to day usage as a running OS?.
If you are a beginner, I suggest you read through the guides in the how-to's and tuts section of the forum and you may well have to wait for all the little bugs to be ironed out of UM 16.04 at the end of April!.
Here is a good place to start which also gives tips about software and updating (see other links in the guide!)!:
