SAT is one of the exams that is used for admission to UG programs in many countries. Your acquaintance must have also taken the same test.

Along with SAT, you would also be required English Language Proficiency Score to apply for the universities.

English Proficiency test

You can also check all about SAT with the given below link.

https://studyabroad.careers360.com/articles/sat

After the exams, you would be required to fill the in the application forms of the universities which would then shortlist you or offer you a seat based on your scores.

You can also check the countries with the given below link.

https://studyabroad.careers360.com/articles/best-countries-for-ug-engineering-abroad

Good Luck!