Please visit the Conductor App Download Page. Go to the following link: '<https://testflight.apple.com/join/o4zeXqKx>'.\
Alternatively, try scanning the QR code to access the link.\
(Note: This download link provides access to the testing version of the Conductor app.)

After scanning the QR code, if you do not have the TestFlight app installed on your device, you will be directed to the screen as shown below. In this case, you need to install the TestFlight app first by tapping the 'View in App Store' button(#1 in the image).

If you already have the TestFlight app installed, scanning the QR code will take you directly to the TestFlight app. There, you'll see 'Aurender Conductor V4' as shown in the screenshot. Please tap the 'ACCEPT' button.

If you see this screen in the TestFlight app as shown in the screenshot, please re-scan the QR code or tap the 'Start Testing' button (#2), which corresponds to the link you entered in the first step.

Next, please tap the 'INSTALL' button to install the app.

Once the installation is complete, you can start using the V4 app by tapping the 'OPEN' button.

How to Install Conductor V4 Beta for iPhone?