Hi ALL,
Answer credits completlygoes to

Windows 10 with odoo11 default configuration,

1 - write in search bar windows "pgadmin"

2 - Clic right in "PostgreSQL 9.5 (x86)" and connect

3 - The default pass is "openpgpwd"

4 - Clic in "database" and "the_name_of_your_database"

5 - In the menu adminPG clic in "Execute arbitrary SQL queries" (a cool loupe with SQL)

6 - In  the window with the title "SQL editor" copy and paste 

"UPDATE res_users SET password='', password_crypt='$pbkdf2-sha512$25000$53yv9X7P.T8HwPh/j5FSyg$I1ctIdw4MncanG7LP6.G3Ti2Pr2lAblicG92rgOMysPWGu1c22Ds9myozO95.TfVEbNytgFGyHe59Hh10WeUUQ' WHERE id=1;" 

and after clic in the symbol "play" in the menu PGadmin.

7 - go to the login Odoo11 and write your email and the pass is "YourNewPassword"

thanks Ermin Trevisan