I haven't got time to correct this completely but here are some things that might help you.

"The Imitation Game" Review by an Italian Speaker

I will would be grateful whether if someone would correct my review and suggest ways to give me some suggestions in order to write better <em>(or improve my writing)</em>. Thanks.

Enigma, the hardest and the most important for humanity riddle in the 20th century without any doubt. Enigma, without any doubt, was the hardest and most important puzzle for humanity in the 20th century. The historical period is The film is set in the Second World War. Germany is fighting versus against everyone and everything. Hitler, the cynical Führer, wants to conquer all of Europe. He constantly needs continuosly more resources, more weapons, and more food if he wanna wants to realize his megalomaniac dream. Having easily conquered France, Belgium, Norway and Poland, he got all these Countries, except for two, two countries are much harder to fight: the United Kingdom to the West and Russia to the East.
The movie talks about depicts the will of the UK to stop Hitler and stop finish a war which seems endless.
British intelligence with the help of Russian intelligence <em>(or the Russians)</em>, managed to steal an important device for from the German army: an Enigma machine. A machine which is These were used by Germany to send encrypt all the military communications <em>(the machines didn't send the messages, that was done by morse code or paper)</em>. All these kind of communications are coded with this machine and only Germany know the key to decrypte them. Intercepted messages could only be decrypted by someone with another Enigma machine set up in exactly the same way it was to encrypt it. If the UK knew that key could crack the Enigma code it would help them win the ware because they would discover all the enemy military strategies and win the war.
So the Royal Navy has called in the best brains in the UK,

<em>I had to stop after this because I've run out of time. As a general suggestion, your writing might benefit from using shorter sentences. It is difficult to write long sentences correctly. Even native English speakers like me frequently get them wrong and few texts benefit from them anyway. Well crafted shorter sentences tend to express one's meaning more clearly than longer ones. They are often easier to write too. </em>

<em>It would be worth getting an authoritative book to learn correct punctuation. Many are available. Initially focus on full stops and commas. Unless we are writing all the time, we tend to forget punctuation rules. Nevertheless, reading such a book once will make you senstitive to the rules that exist. Afterwards they can be looked up again when necessary.</em>

<em>I hope that helps.</em>

<em>I dream of being able to write something as challenging as this in Italian!</em>

<em>Incidentally, the book, written by Andrew Hodges, that inspired the film is excellent and reputed to be one of the best scientific biographies ever written.</em>