Best Free Hard Drive Eraser
Method 2: Wipe hard drive using free hard drive eraser software The secure way to erase data for good is overwriting data and refill hard disk using zeros or random data, so that nobody can recover wiped data with disk recovery software. CCleaner, probably the most famous Windows optimization and cleaning utility around today offers a tool called Drive Wiper to securely erase the free space on your hard drive. Run CCleaner, go to Tools Drive Wiper, select “Free Space Only” for wipe, then the overwrite method and finally the drive that you want to wipe. The hard drive eraser is easy-to-use, thanks to its convenient menu navigation system, with push-button operation and a built-in LCD display that clearly identifies the erase modes and task status.
Wipe your data with EaseUS free hard drive erasing software. EaseUS free partition manager is the best software to erase or wipe hard drive or partition. It allows you to completely erase ALL hard drive or external storage information including your personal data, programs, viruses, and malware. Wipe or erase hard drive data completely clean with the free Active Kill Disk. This software is available as both a free and a pro version.Utilities like Active Kill Disk are very useful and a must have software for windows users (especially enterprise and business users of windows) to ensure data security by preventing its leakage. If you have a hybrid hard drive or an SSD, download a copy of the Center for Magnetic Recording Research's free Secure Erase utility; this app-which conforms to the Guidelines for Media.
Your PC's hard drive is packed with your personal data. So when you want to get rid of your system or drive, you should permanently erase your storage device drives before you get rid of them. If your drives are encrypted and you trust the encryption protocol (full disk encryption is pretty safe), all you have to do is delete your encryption keys. If you want to safeguard your privacy further--and prevent data theft down the road--here are a few cheap and simple tools designed to wipe your hard drive, solid-state drive, or USB flash drive thoroughly before you dispose of it.
Best Free Hard Drive Eraser Software
Because different types of drives use different storage methods, you need different tools to deal with each type. Solid-state drives, for instance, behave very differently from ordinary USB flash drives, hybrid hard drives (which combine a flash cache with a magnetic hard disk), or hard disk drives. This reflects the unique way that SSD firmware writes data to the drive: Wear-leveling algorithms, designed to lengthen the SSD's lifespan, cause data to be written across many different areas inside the drive.
Navigate to the license for which you want to download the offline license file. Remember that licenses are platform specific - you need to download a specific license type to activate the specific product. Click the document symbol under Offline. Download the offline installer below (click here to determine which installation package to download).). Always create a new folder for an installation package and Save or move the installer to this folder before running it. ESET Smart Security Premium 12.2.29.0 64-bit Download 32-bit Download ESET Internet Security 12.2.29.0 64-bit Download 32-bit Download. 
Download the newest version that can be activated with a purchased license or as a free 30-day trial Download Now. Downloads Live Installer that will guide you through the installation and activation.
Deleting data during everyday use doesn't remove the data from your drive; instead, it merely erases the pointer to that data. To expunge data permanently, you need an app that writes ones and zeros, literally or figuratively, over your existing data. Before attempting to wipe a laptop's drive, be sure to plug in the AC adapter; if your laptop battery dies halfway through a drive wipe, the hard drive is likely to become corrupted and unusable.
For erasing a traditional magnetic hard-disk drive, try Darik's Boot and Nuke (DBAN), a boot disk block-erasure utility that safely wipes data by overwriting every sector of the drive with random data several times before erasing everything. Because DBAN is designed to wipe magnetic hard disks, however, it often fails to fully erase flash memory, such as in a USB flash drive or an SSD. DBAN also may not work properly if your computer contains a hybrid hard-disk drive/SSD.
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Wipe Hard Drive Free
Well and Truly Erased
If you have a hybrid hard drive or an SSD, download a copy of the Center for Magnetic Recording Research's free Secure Erase utility; this app--which conforms to the Guidelines for Media Sanitization published by the U.S. National Institute of Standards and Technology--executes the Secure Erase command built into the firmware of Serial ATA (SATA) and Parallel ATA (PATA) hard drives, telling the hard drive to overwrite all memory with meaningless data. To use the tool on your hardware, copy HDDerase.exe to a CD or USB flash drive and boot your PC from that device. Type hdderase at the DOS command prompt that appears, and then press Enter. Your hard drive should securely erase itself by overwriting every sector; the process can take several hours to complete.
To reduce the risk that someone might salvage embarrassing data from your USB flash drive, download a free copy of Roadkil's Disk Wipe utility to match your operating system (Roadkil last updated the software in 2009); then run it while you have the USB flash drive plugged into your PC. Choose the appropriate disk from the drop-down menu, specify whether to fill the drive with random data or just wipe the flash drive to turn it into a blank disk, select how many passes you want the program to perform (stick with 3 to be sure), and let the software go to work.
To guarantee your data's privacy, you pretty much have to take a sledgehammer or a blowtorch to your old drive. But if that's not an option, these secure wipe approaches are the next best thing.