Plan your route.
Not only on a map in straight lines, but considering real conditions.
Then it is easier to plan your timetable and gear.
Tell someone where are you going and how long you plan to stay away.
You do not want to be that person whose picture floats around social media for ever.
Not only of yourself but of notable object and landmarks.
It is easier to find your way back when you get lost.
Know your gear.
To you need a knife, scissors and a saw or is a multitool enough.
Yes, the amount of arising questions can be intimidating, but answering them can save your day.
Get a staff.
A hiking staff to lean to when you need to cross small water obstacles A hiking staff can used as a weapon also, when there is a need.
Take breakes, rest and enjoy your surroundings from time to time.
Your feet will thank you later and you will last longer.
In your journey.
Some spare batteries and a power bank.
For the next thing in the list.
Keep your phone charged.
For obvious reasons.
Find a suitable place for the night.
It is wiser to use camping sites for your longer stops.
There you can make fire and cook your meals, find a safe place to sleep etc etc.