What are the visa & residency requirements in Winterthur?

"In order to visit or stay in Winterthur, a person must obtain a visa from the Swiss Embassy or Consulate in their home country. The visa application process requires the applicant to provide proof of identity, a valid passport, and a valid travel document. Additionally, the applicant must provide proof of financial means, a valid health insurance policy, and a valid residence permit. In order to apply for residency in Winterthur, Switzerland, a person must first obtain a residence permit from the Swiss Embassy or Consulate in their home country. The residence permit application process requires the applicant to provide proof of identity, a valid passport, and a valid travel document. Additionally, the applicant must provide proof of financial means, a valid health insurance policy, and a valid residence permit. The applicant must also provide proof of employment or self-employment in Switzerland, proof of accommodation, and proof of sufficient funds to support themselves. Once the application is approved, the applicant will be issued a residence permit," mentioned another expat when asked about moving to Winterthur, Switzerland.