Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources. Operating system virtualization is the use of software to allow a piece of hardware to run multiple operating system images at the same time.
Sandboxing is a popular technique for creating confined execution environments, which could be be used for running untrusted programs. A sandbox limits, or reduces, the level of access its applications have — it is a container.
Sandboxing is a popular technique for creating confined execution environments, which could be be used for running untrusted programs. A sandbox limits, or reduces, the level of access its applications have — it is a container.
Sandboxie runs your programs in an isolated space which prevents them from making permanent changes to other programs and data in your computer. Thereby Prevents wear-and-tear in Windows by installing software into an isolated sandbox.
VirtualBox (recommended)
Run multiple operating systems at the same time with this award winning, easy to use, no cost desktop virtualization product.VirtualBox supports any operating system as a guest OS,Which means you can run Windows in a virtual machine on a Mac or Linux platform.It is now the only professional-quality virtualization solution that is also Open Source Software.
A virtual machine is a computer defined in software. It's like running a PC on your PC.
This free desktop virtualization software application makes it easy to operate any virtual machine created by VMware Workstation, VMware Fusion, VMware Server or VMware ESX, as well as Microsoft Virtual Server virtual machines or Microsoft Virtual PC virtual
machines.
Note:- Creation of virtual machine is not possible with vmware player but possible with
vmware server (also a freeware) but not recommended for newbies
