Switzerland requires a long-stay visa for study, and the substantive decision is made by the cantonal migration authority rather than centrally. Processing times and documentary preferences therefore vary by canton, and a guide written for one canton can mislead for another.
Admission to Swiss institutions is demanding, and entry requirements for Pakistani qualifications frequently include additional examinations or a preparatory year at undergraduate level.
Cost
Tuition at Swiss public universities is comparatively low, and living costs are among the highest in the world. The financial requirement reflects the latter, and it is substantial.
Any Swiss plan that is tight on the financial requirement is a plan that will be uncomfortable in practice as well as fragile at the application stage.
The file
Admission confirmation, evidence of the required funds, accommodation, insurance, a curriculum vitae, and a statement of study intent. Several cantons ask for a written undertaking to leave at the end of studies.
Processing is not fast. Applications lodged close to the semester routinely miss it.
Language
Language of instruction depends on region: German, French, or Italian, with English common at master's and doctoral level. Undergraduate study in a national language requires genuine proficiency.
Match the region to the language you actually have or intend to acquire, rather than to the institution's reputation alone.