A widely used, free Linux-based forensic suite that includes built-in write blocking . It allows you to boot into a "live" environment to image drives safely without additional hardware.
A commercial Windows-based software write blocker that allows you to block multiple connected disks simultaneously. A 7-day trial license is often available for testing. Write Blocker Software Download
For those who prefer not to download software, you can manually create a write blocker by editing the : A widely used, free Linux-based forensic suite that
These are smaller utilities focused specifically on preventing writes to USB flash drives. A widely used
Open regedit and navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control Create a new key named StorageDevicePolicies .