There's only one important choice you need to make - select 'Custom: Install Windows only (advanced)' when you're given a choice between that and a standard installation.Īfter the installation, Windows 10 will run as a virtual machine. The reboots happen inside VirtualBox, not on your machine itself. You'll be asked to 'Select start-up disk.' Head to where you downloaded the Windows 10 ISO file, click 'Start,' and the installation begins.įrom here on in, it's just like any normal Windows installation, with the usual occasional reboots. Click 'Create' after you've made your choices.Īfter you create the virtual hard drive, you'll be sent back to the VirtualBox main screen. For the type of drive, you'll have a choice between one that is a fixed size and one that dynamically allocates space, that is, it grows larger if the operating system needs it. So from the screen that appears after you've selected the amount of RAM, click 'Create a virtual hard drive.' Choose VDI (VirtualBox Disk Image) as the file type. In order to install Windows 10, you'll have to create a virtual hard drive for installing it. So unless you know what you're doing and have a very good reason to change it, accept the recommendation. You can change it if you want, but I've used VirtualBox for several years and have created many virtual machines, and I've found its recommendations to be on target. You'll be shown a recommended amount of RAM. Next you'll be prompted to select how much RAM you want to devote to your Windows 10 virtual machine. Then from the Version drop-down box, select Windows 8.1, and choose either the 32-bit or 64-bit version, depending on the ISO you downloaded. From the screen that appears, type Windows 10 in the name field.

Run VirtualBox and click the New icon on the upper-left side of the machine. Get the Windows 10 Technical Preview ISO File VirtualBox runs on Windows machines, Macs, and Linux machines, so you'll be able to install Windows 10 in just about any platform.Ģ.

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