The very first step in Canada visitor visa application is to produce a Government of Canada (GC) login named GCKey when you have created your GCKey and signed in, you're going to be shown options to submit an application for different visas in the computer system. On the flip side, you should remember to consider if you are entitled or not to submit an application for an ETA Canada visa. A single-entry visa permits you to enter Canada only 1 time.