Reinstall 2.8 without losing my settings

[arxontas]

If this post is not in correct area please move it.
Thanks
I use for some time now the ll 2.8
But because i play and try to learn every day a litlle more abt LL, i need to know how i be able to re-install the 2.8 with out loosing  the settings i have for some
program's .Because i do not know  how to fix if them again.
I use  this LL mainly for ham-radio programs .Like ampernet Jnos bbs and more.Hard to re do the interface
I need to fix some problem i have with menu,lite tweks and more.Some how all have change.
Thanks
arxontas