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I find this site very helpful for builds deltiasgaming.com/ but you can try looking around for other sources as well like youtube videos and forum posts that can help in your endeavors
Dual wield + bow, all points into stamina, medium armour, core damage skills are rapid strikes, endless hail and steel tornado
But well I guess you want to play a magicka based sorc. So in that case light armour, a destruction staff and putting most points into magicka will be the way to go. For leveling I would recommend that you just try out most of the skills to see what they do. And don't worry, you can always reset your skill or attribute points for a small gold fee (in Wayrest, Mournhold or Elden Root), so playing around with skills won't mess up your build at later stages.
For armour I'd use 5 light, 1 medium, 1 heavy, so you level the passives for all weights. Using set armour is not needed for leveling, but if you want, you can get some crafted sets like seducer, kagrenac's hope or julianos. The only place where your gear is really important while leveling is when you enter pvp.