For 1st year, payment has to be done once. Also, you can apply for the Saxion Talent Scholarship, which is for students who will start their bachelors at Saxion only after having been accepted for your programme at Saxion. In addition to that, make sure to meet the requirements before applying. More information can be found here;
https://www.saxion.edu/studying-in-the-netherlands/finance-your-studies/scholarships