The most comprehensive information for admissions can be found at the BE A LONGHORN website http://bealonghorn.utexas.edu/.  The links below will take you directly to specific admission information based on the time of admission you are seeking.

First Time Freshman Admissions

https://admissions.utexas.edu/apply/freshman-admission

Transfer Admissions

https://admissions.utexas.edu/apply/transfer-admission

First Time International Undergraduate Admissions

https://admissions.utexas.edu/apply/freshman-admission#fndtn-t146-international-applicants

International Transfer Undergraduate Admissions

https://admissions.utexas.edu/apply/transfer-admission#fndtn-t147-international-applicants

GRADUATE ADMISSIONS

Click on the link above for Graduate Admissions information.