Yamal bagged a brace while Williams scored and provided an assist as the two wingers cut France's makeshift defence to ribbons.
"It's been completely normal for us. He is following his precepts, his rules, as he is following them at his club (Barcelona)," De la Fuente said during a press conference ahead of Spain's first-leg tie in Rotterdam.
Spain's Euro 2024 winning coach Luis de la Fuente extended his contract on Monday until 2028, the Spanish football federation said in a statement.
A few weeks after Real Madrid claimed a record-extending 15th Champions League title by beating Borussia Dortmund 2-0 at Wembley in May an imperious Spain steamrollered all before them to triumph in the European Championship.
Rafael Nadal on Thursday announced he will retire after the Davis Cup finals in November, ending a career which brought 22 Grand Slam titles, global respect and inspired epic, iconic rivalries with Roger Federer and Novak Djokovic.
The 24-year-old will miss Spain's Nations League matches against Denmark on Saturday and Serbia next Tuesday, national team coach Luis de la Fuente confirmed.
"This team managed to win a historic match," Spain manager Luis de la Fuente said afterwards.
Eight of Spain's starting line-up in their Euro 2024 final victory over England almost two months ago were on the field at kick-off against Serbia in Belgrade.
Spain manager Luis de la Fuente said on Wednesday that his team were eager to get back on the pitch after winning Euro 2024 in July and that his players' hunger for constant improvement means there will be no let-up in intensity.
France go into Tuesday's Euro 2024 semi-final showdown against Spain hoping Kylian Mbappe can finally produce a performance worthy of his superstar status at a tournament in which he has struggled to find form and fitness.
The Barcelona playmaker had to be substituted after just eight minutes in the clash in Stuttgart, which Spain won 2-1 after extra-time.
Spain coach Luis de la Fuente lavished praise on his young side after Friday's 2-1 extra-time win over hosts Germany took them to the Euro 2024 semifinals.
Spain fans - including King Felipe - purred with a growing belief that their team can go all the way and be crowned Euro 2024 winners after an utterly dominant victory over defending champions Italy.
Spain goalkeeper Unai Simon suggested Monday it was not French captain Kylian Mbappe's place to speak up "against extremes and divisive ideas" ahead of a general election in France.
Zlatko Dalic was left to apologise for Croatia's woeful Euro 2024 showing on Saturday against Spain, whose head coach Luis de la Fuente heaped praise on teenage star Lamine Yamal.
Spain and Croatia begin their Euro 2024 campaigns on Saturday with a rematch of last year's nervy UEFA Nations League final as they kick off the action in Group B, which also includes European champions Italy and surprise package Albania.
Spain's young and talented core of players have worked extensively with manager Luis de la Fuente, who was part of the national team's youth set-up between 2013-2022 before taking charge of the senior team.
The three European countries believe their initiative has strong symbolic impact that is likely to encourage others to follow suit.
Senegalese goalkeeper Cheikh Sarr was suspended for two matches in Spain on Wednesday after receiving a red card following an altercation with an opposition fan who racially abused him.
