No. Instagram is available globally.
What happens next? A new, window will appear that looks and behaves exactly like a native desktop app. It has its own icon in your taskbar (Windows) or dock (Mac), separate browser tabs, and supports notifications.
To uninstall: Right-click the icon and select "Uninstall" or go to edge://apps or chrome://apps in your browser.
Instagram does not offer an official desktop app for Windows or macOS. However, you can use it on a PC in two main ways: