You can download Immerse Gaming | Logitech software from here. Once the download is complete, double-click on the downloaded file to unzip and run the installer.
The installer should prompt you to select which components you want to install and the directory you would like to install them.
Once installation is complete, launch Immerse Gaming | Logitech and proceed by entering your email.
You will receive a PIN in your email; enter the PIN.
Follow the instruction to scan the QR code and submit your ear image.
You can also refer to the below setup guide video: