if you are an expert in the operating system then such an application is very useful for you in testing the operating system such as Windows Linux and Mac. by using this app you don't need to buy additional devices to test the OS as your research material. for those of you who are still confused use it, especially for beginners about performance speed problems which you have installed and on this occasion I will explain how you deal with such problems. before you start in the settings the first step you need to do is check the specifications of your computer because the virtual machine you are using can not exceed its performance with your computer. you can check it with the dxdiag command at the command prompt.
