If you are installing Windows 8 on Virtual Box you should know more about the Windows 8 hardware and disk space requirements.

Windows 8 Recommended Disk Space

Microsoft recommends 23035MB for a Windows 8 installation. Therefore we suggest to assign at least 24GB to a virtual machine.

Click here to join Ultra.io - Rare NFTs and Play-to-Earn Games

However, this is only a pre-beta version, so this can change for the beta and the final RTM version.

We will keep you posted on the recommended disk space for other Windows 8 versions.