We trust you have read the starter's advice in the section Admissions of this site - that will answer many of your questions.
If you wish to contact the Study in Finland team, you can send us email to the following address:
sif@oph.fi
Please note: if you have questions regarding your application, or if you need to ask about possible entrance exam matters, you should contact the Admissions Services of the Finnish university you're applying to.
You can find the contact details of the universities' Admissions Services on the Studyinfo.fi website.