The Congress of Vienna had about 700 diplomats, but the most important were: Lord Castlereagh, Czar Alexander i, King Frederick William iii, Prince Klemens von Metternich, and Charles Maurice de Talleyrand. They all wanted France to never rise to power again.
The Congress of Vienna, right before Napoleon's escape from Elba.
They changed boundaries to prevent France from invading it's neighbors. The Dutch Republic and The Austrian Netherlands became the Kingdom of the Netherlands. Austria united with some of Germany that was called the German Confederation. Great Britain got land overseas opposed to land in Europe.
France's borders went back to how they were in 1792 and they had to pay an indemnity (pay other countries for the damage they had done).
Monarchies that Napoleon had dismantled were restored, such as the Old Bourbon royal family in Spain and Sicily, and monarchies in Portugal and Sardinia.
Metternich wanted Europe to return to an absolute monarchy. He did not like that people were allowed to vote, be able to practice whatever religion they pleased, etc... For years Metternich silenced all who had the ideals of the Revolution by imprisoning them or fining them.
The French Revolution inspired people around the world to take control of their own destinies for the next 200 years.
There were huge revolutions across Europe, which then inspired people in Latin America, Asia, and Africa to follow suit.