As you want to do MBA from Harvard Business School and for it asking applying process to get into there , so here is require info:

For admission requirement
A 4-year undergraduate degree or its equivalent
GMAT or GRE test results
TOEFL, iBT or IELTS test results if you attended a non-English undergraduate program
Transcript(s)
Essay
Recommendations (2)
Resume
Acceptance of Policies

Applying process

Go to the official site of Harvard Business School

Click on MBA option a new page will be open

Where you need to click on admission option

By click there you will redirect on admission page

Where you need to click on apply option which given in written application section



Address

MBA Admissions
Harvard Business School
Dillon House
Boston, MA 02163
Phone: 1.617.495.6128
Email: admissions@hbs.edu