vOptimizer FreeWare - Version 4.0.43.0 With over 10,000 users, vOptimizer is the recognized industry-standard VM optimizer for fast, easy, and reliable optimization of Windows virtual machines for VMware and Microsoft platforms. vOptimizer is an advanced optimization solution that quickly and easily reduces a virtual machine's virtual hard drive to the smallest size possible while optimizing Windows guest operating systems for speed and performance.vOptimizer Desktop Edition enables unlimited optimizations of local VMs while Network Edition enables entire repositories of VMs located anywhere on the network to be optimized via scheduled automated jobs. vOptimizer FreeWare is a reduced version of vOptimizer Desktop.