Only Magdalena Eriksson, Jonna Andersson and Filippa Angeldal remained in the starting eleven from the last time when Peter Gerhardsson chose to rest several stars.
The changes were also noticed initially in the game, which was a bit more choppy.
But after just over a quarter of an hour it came loose when Anna Anvegård nodded in 1-0 after a corner.
Her ninth goal in the national team.
Two players who got the chance from the start, Hanna Bennison and Madelen Janogy, then collaborated until 2-0 when Janogy nodded in a nice post from Bennison.
Before the break, it was time for New Zealand to create dangers, but Jennifer Falk, who also got the chance from the start, was responsible for a nice double save.
And the result was 2-0 at half time.
Gruppetta
In the second half, national team captain Peter Gerhardsson continued to refurnish when Amanda Ilestedt and Nathalie Björn replaced Magdalena Eriksson and Jonna Andersson in the back line.
The tempo then dropped slightly but Sweden continued to create goal chances.
In the end, Emma Kullberg was close to extending the lead but the attempt went in the crossbar.
The match ended 2-0 and the victory means that Sweden wins its group.
“Impressed by Sweden.
What they have done today is not easy.
To change many players but still maintain the structure and stability, "says SVT's expert Markus Johannesson.
In the quarter finals, a group third awaits and the match is played on Friday.
Who you meet will be decided later in the day.
The second match in Sweden's group between the USA and Australia ended goalless.
CLIP: Peter Gerhardsson and Sweden won big over the USA - see the goals here (July 21)
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Peter Gerhardsson and Sweden won big over the USA Photo: Bildbyrån