While there is no official standalone ".exe" download for Gmail, you can easily "download" a Gmail desktop experience on your PC by installing it as a or connecting it to a native Windows mail client.
This is the closest equivalent to a native "Gmail setup" for PC. It creates a dedicated launcher on your desktop. download gmail setup for pc
By using the PWA method, Gmail functions exactly like a dedicated desktop app with its own icon and window, allowing you to bypass your browser tabs. While there is no official standalone "