(Note: The screenshots below were taken on Linux. Important note: Although Aero may work, it's quite possible that other 3D apps may not work, and even crash the guest virtual machine. Since the support depends on your hardware, poor graphics hardware will not be able to run Windows Aero. ■ A graphics card capable of handling Windows Aero, plus any features for any software that will be run on Windows 7. Any install configuration will work as long as it is a fresh install, and Windows 7 can boot. ■ Fresh install of Windows 7, any version, inside the guest machine. Even Windows Aero works nicely on Linux, thanks to VirtualBox Guest Additions! VirtualBox Guest Additions is software that makes up for those deficiencies and adds additional integration features, such as the infamous Seamless mode offered by VirtualBox. While VirtualBox generally does a good job of running the guest OS, it has some limitations. What is VirtualBox Guest Additions? VirtualBox Guest Additions is extra software that can be installed inside the OS running inside of the virtual machine,at or the guest machine. This setup is used to concurrent run two or more operating systems without having to switch between computers or operating systems on the same system. The host machine, the OS that you are using to run VirtualBox, emulates the guest machine. The OS is generally virtualized (or simply emulated), and is called the guest.

This is not to be confused with dual booting, which involves having both operating systems installed on the system, and only having one operating system running at once. Simply said, you can have Windows XP running at the same time on your Windows 7 desktop.

What is VirtualBox? VirtualBox is a virtualization software that allows one to run an operating system while simultaneously running their main operating system.

What is virtualbox guest additions for