Hi all 
So I making a mobile game and got stuck . I created a charcter in unity and want it to move so i watched this video
But when i use c# in visual studios
Words like Vector 3 / Input doesnt glow in blu why so?
Ty for help sry for my English 
Looks like your IntelliSense is not working in VS. Try the suggestion from this thread to fix it: Intellisense Not Working with Visual Studio (Fix)
It sounds like there could be a variety of things going on, here’s a quick checklist that sums up most issues like this:
using UnityEngine;