By default, a clean installation of Windows or macOS is designed to target the (usually your C: drive). It does not automatically reach out and "sanitize" your secondary D: drive, external backup disks, or secondary SSDs unless you manually intervene during the partition process. How a Clean Install Works

While the process is exclusive to the drive you select, human error is the biggest threat.

If you want to be 100% certain that your secondary drives remain untouched, follow the rule:

Does Clean Install Wipe All Drives Exclusive Patched Instant

By default, a clean installation of Windows or macOS is designed to target the (usually your C: drive). It does not automatically reach out and "sanitize" your secondary D: drive, external backup disks, or secondary SSDs unless you manually intervene during the partition process. How a Clean Install Works

While the process is exclusive to the drive you select, human error is the biggest threat. does clean install wipe all drives exclusive

If you want to be 100% certain that your secondary drives remain untouched, follow the rule: By default, a clean installation of Windows or