One Windows is way too risky. 10PCs-in-1 makes it childishly simple for you to make a live clone of the Windows System that you are running! Then you have 2 Windows Systems on the same drive letter in the same partition on the same disk. Swap between them with a double click. Now you are immune from the next Windows disaster. We all have two lungs because breathing is important. Likewise clone at least 2 and preferably more Windows systems because Operating Systems are important too. If you have a power hungry application do you think it will run well along with 10 different games, Microsoft Office, antivirus, firewall, anti malware, anti adware, anti zombieware and 10 other aplications you tried once but no longer use? Of course not. Give it its very own Windows System! The limiting factor in PC performance today is Windows loading. Clone a few more copies with 10PCs-in-1 and spread the load. You will have far fewer Windows crashes, far better performance, and it will not be a total disaster if you lose one of your many systems. It is better to have 10 aircraft carriers than one. It is better to put your applications in a 10 bedroomed mansio than in a studio flat. It is better to put your files in a 10 drawer filing system than a 1 drawer filing cabinet. There is not point having a ferrari with an elephant in the back seat. Get 10 ferraris and put 10% of an elephant in the back of each one. If you want the capability to try out every piece of software on this download site without destroying Windows then get 10PCs-in-1! How many times have you re-installed Windows in your life? Get 10PCs-in-1 and you will never have to do that again. The purpose of a computer is to preserve information not to lose it everytime you re-install Windows! If you truly want to make any examination of all the wonderful Windows software out there. You plainly need more than one Windows system. Hence 10PCs-in-1