If you're using Instagram on your mobile device, you can change your country by going to your profile and tapping the edit profile button. From there, scroll down to the bottom of the page where it says country. Tap on that and select the country you want from the list. If you're using a computer, you can change your country by going to your settings. Click on edit profile and then scroll down to the bottom of the page. There will be a drop-down menu next to country. Select the country you want from that menu and then click save changes.