To apply for a Canadian visit visa, also known as a temporary resident visa, you will need to follow these steps:

1. Determine if you need a visa: Some countries are visa-exempt and their citizens do not need a visa to visit Canada for a short period of time. You can check if you need a visa by visiting the Government of Canada’s website.
2. Gather the required documents: You will need to provide certain documents as part of your visa application. These may include your passport, proof of financial support, and a letter of invitation from someone in Canada.
3. Complete the application form: You will need to fill out an application form and pay the processing fee. You can do this online or by downloading the form and submitting it by mail.
4. Submit your application: You can submit your application online or by mail, depending on your location and the visa processing office responsible for your region.
5. Attend an interview (if required): Some applicants may be asked to attend an in-person interview at a visa application center.
6. Wait for a decision: The processing time for a Canadian visit visa can vary, but it is usually within a few weeks. You will be notified by email or mail when a decision has been made on your application.

It is important to note that a Canadian visit visa is not a guarantee of entry to Canada. The border services officer at the point of entry will make the final decision on whether to allow you to enter the country.