When you install the Oculus app on your PC computer, it'll install on the C: drive. If you want to install the app on a different system drive, make sure the new system drive has at least sufficient of free disk space and is formatted to use the NTFS file system.

To install the Oculus app on a different system drive:

1. Press the Windows key + R to open the Run command
2. Enter the following path: [drive]:\Downloads\OculusSetup /drive=[new system drive]
   - Replace [drive] with the letter of the drive where Oculus was downloaded to
   - Replace [new system drive] with the letter of the new drive you'd like to install Oculus to
   
   Ex: C:\Downloads\OculusSetup /drive=D or C:\Downloads\OculusSetup /drive:D
3. Click OK

The Oculus app will then open and attempt to install the app on the new drive you've chosen.