Win64 Disk Imager Instant

Select Device: Choose the drive letter of the source card.

Read: Click the Read button.

Confirm: A message says "Reading from device..." The process will take a long time (5–30 minutes depending on drive speed and size).

Completion: "Read successful" appears. The .img file is now an exact sector copy of the original drive.

| Tool | Best for | |------|-----------| | Rufus | Writing images to USB drives (more user-friendly, better UI) | | Balena Etcher | Cross-platform, validates writes, impossible to select wrong drive | | DD for Windows | Command-line, scriptable | | Raspberry Pi Imager | Official tool for Pi OS (downloads+flashes in one step) |

This tool performs a "bit-for-bit" write. It does not just copy files; it overwrites the entire drive structure. win64 disk imager

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Use case: Flashing a Linux OS to an SD card for a Raspberry Pi or other SBC. Select Device: Choose the drive letter of the source card