How to prepare final accounts for the first time?

First of all you must have understanding of heads of account, like in current assets ,sub heads are receivables,cash and bank balances,stocks etc.Then you must be sure of considering the impacts of some specfic treatments like adjustments of closing stock in calculating the cost of goods sold.....

and keep the eye on trail consider the impact of receivables with credit balance, happen some times

and try to club these type of attachements carefully.