This means without the drivers, the virtual machine is likely to take a performance hit, and many advanced features such as the ability to change the screen resolution, control transparency, mouse support, etc won’t be available or work correctly.Īfter you must have successfully installed Windows in a VirtualBox VM, you must install the Guest Additions package for better usability and performance – to perform this task, do the following: The VirtualBox Guest Additions package installs the virtual video drivers to improve system performance and advanced graphics capabilities including hardware acceleration, multi-monitor support, and seamless windows to run applications as if they were installed on the host device. The Guest Additions offer the following features: Install VirtualBox Guest Additions on Windows 11/10 # The VirtualBox Guest Additions consist of device drivers and system applications that ship with your copy/version of VirtualBox that optimize the operating system for better performance and usability.

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