What are the visa & residency requirements in Kiev?

"In order to visit Kiev, visitors must obtain a visa prior to their arrival. The process of applying for a visa involves submitting an application form, a valid passport, and other documents such as a letter of invitation, proof of financial means, and a medical certificate. Depending on the purpose of the visit, additional documents may be required. In order to obtain residency in Kiev, Ukraine, applicants must submit an application form, a valid passport, and other documents such as a letter of invitation, proof of financial means, and a medical certificate. Additionally, applicants must provide proof of employment or a business license, proof of accommodation, and proof of registration with the local authorities. The application process can take up to several months to complete," mentioned another expat when asked about moving to Kiev, Ukraine.