Proxmox VE - Proxmox is an open-source server virtualization management solution that offers the ability to manage virtual server technology with the Linux OpenVZ and KVM technology.
Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.
Hyper-V - Install Hyper-V on Windows 10
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 .
Azure Virtual Machines - Build Linux and Windows virtual machines (VMs) and save up to 80 percent with Azure Reserved Virtual Machine Instances and Azure Hybrid Benefit for Windows Server.
Reboot Restore Rx - Reboot Restore Rx (freeware) prevents any and all changes made on your drive(s) making those PC's bulletproof and unbreakable.