MiniTool ShadowMaker Free is an all-in-one system backup and data protection solution that can be used to back up system/disk/files/folders, to customize backup schedule, to manage disk space taken up by backup files, to create WinPE bootable media, to clone hard drive, and so on.
Clonezilla - Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Shadow Defender - Shadow Defender is an easy-to-use PC/laptop security and privacy protection tool for Windows operating systems. DownloadShadow Defender is an easy-to-use PC/laptop security and .
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
Reboot Restore Rx - Reboot Restore Rx (freeware) prevents any and all changes made on your drive(s) making those PC's bulletproof and unbreakable.