Visa

Here is a link to the visa application process: https://diplomatie.belgium.be/en/services/travel_to_belgium/visa_for_belgium
Short stay visas (up to 90 days) are called “Schengen visas”. Schengen refers to the EU passport-free zone that covers most of the European countries.
Here you can find the list of countries whose citizens are required to obtain a Schengen visa: https://www.schengenvisainfo.com/who-needs-schengen-visa/

Please read carefully the conditions.
https://www.schengenvisainfo.com/who-needs-schengen-visa/
https://dofi.ibz.be/sites/dvzoe/EN/Application-guides/Pages/Processing%20time%20for%20a%20visa%20application.aspx#Short-stay%20visa
https://diplomatie.belgium.be/sites/default/files/downloads/competence_representation_visa_eng_20190930.pdf

In order to get the specifics details we advise you to consult the Belgian Consulate which is competent for your country of residence.