Enter the date you choose (the months in number). If the numbers give a problem, you can press the "V" key and the variables will be displayed. If you press the "b" they will hide again. If you enter a year with less than four digits, put zeros on the left until it has four digits, since if not the title will show an incorrect date. If you want to enter a date of more than four digits, you can do it, but you will have to press the "a" to show the variable, or else the title will also show an incorrect year. To deactivate it, press the "f". If you find any errors in the project, please indicate it in the comments. ¡Enjoy it!