You need to take several thing into account, when preparing to apply for further education:
Usually you apply to take the Undergraduate / Bachelor’s degree (undergrduate degree, 3-4 year of full-time study), but some unis offer integrated Master’s courses.
Application period? Application fee? Joint application system (eg Commonapp, Coalition Application, UC application, UCAS, CAO) or applying directly to the uni?
Parts of your application: personal statement, motivation letter, essays, CV
Attachments needed: transcripts, predicted grades, recommendation letters etc?
Do you need to take admission tests (eg SAT, UCAT, HPAT) When? Where? Preparing? Sign-up? Fee?
Tuition fees / funding, some estimates:
EU: European Union €0 – €15.000 per annum (Depending on the course and the university )
UK: £30,000 – £40,000 per annum (Depending on the course and the university )
US: $20,000 til $80,000 per annum (Depending on the course and the university )
When do you get the admission results? How and when do you confirm your study place?
If you do know Finnish then this is a good web-page to start your search: https://www.opintoihinulkomaille.fi/
Always contact the Uni's admissions office if you can't find the info you are looking for!