Yes just install it. But just in case, if you find any problems , such as lots of force stops or something is not working, you'll have to try to wipe the data. If everything is OK, then don't wipe the data.
(ノ=Д=)ノ┻━┻ I can't speak English well.Σ(っ °Д °っWhy??（╯‵□′）╯︵┴─┴