Download and install Cursor
Install the Cursor desktop app from the official website.
Search Google for "cursor" and open the official site. The homepage recommends the installer that matches your computer — click it to download. If nothing is recommended or the button does nothing, open the downloads page and pick your platform: Mac X64 for most Macs, Windows X64 User for Windows. Open the downloaded file and follow the installer.
Google → cursor.com → Download → run the installer
Download the installer for your computer and install Cursor.
https://cursor.com/download