Folke turned professional after she graduated in 2018. Before entering qualification for the
LPGA Tour, she played in a few tournaments on the
Swedish Golf Tour. She lost a playoff to
Isabella Ramsay in the
Carpe Diem Beds Open at
Flommen Golf Club. In 2019, she won the
Tegelberga Open, six strokes ahead of runner-up
Linn Grant In 2019, Folke joined the
Symetra Tour. In her rookie season, she made two cuts in seven starts, her best finish a tie for 13th at the
PHC Classic. With 2020 lost to the pandemic, in 2021 she made six cuts in 19 starts. Folke earned conditional status for the 2022
Ladies European Tour at Q-School. In her rookie season, she finished tied 14th at the
Australian Ladies Classic – Bonville in April, and tied for 5th at the
Mithra Belgian Ladies Open in May. In September, she led by two strokes at the halfway stage of the
Women's Irish Open after firing a second round 62, ten under par. A final round 73 saw her finish tied 14th, five shots behind winner
Klára Spilková. In 2023, Folke shot a bogey-free eight-under-par 64 final round to win the
Dimension Data Ladies Pro-Am in South Africa three strokes ahead of
Anne-Lise Caudal. A few weeks later, she finished runner-up at the
Joburg Ladies Open, after she held the lead by two strokes ahead of the final round. Folke finished solo runner-up behind compatriot
Johanna Gustavsson at the
Open de France Dames. She was only a shot back until Gustavsson holed-out for an eagle at the par-4 13th from 112 meters, and finished three shots behind. She finished the season 21st in the LET Order of Merit. In 2024, Folke finished 38th in the Order of Merit, after recording a single top-5 finish of the season at the
Ladies Swiss Open. In 2025, she finished top-5 at the
Women's NSW Open and held a two stroke solo lead after firing an opening round of 64 (–7) at the
Jabra Ladies Open, ultimately tying for 17th. ==Amateur wins==