This article is about how to upgrade your Virtualbox virtual machine to Windows 10. The thing is if you just start your VM and begin upgrading you may encounter some errors making the update process stop. Besides that Windows 10 can run too slowly if you leave CPU and RAM settings that are minimal for Windows 7.
The problem: Windows 10 works slowly on Virtualbox virtual machine, while Windows 7 is fast and snappy. You may see similar situations on the Internet forums. People often ask “Why is my Windows 10 so slow on virtualbox VM? I have Core i7, 16 GB of RAM, I assigned 4 cores of CPU and 4 GB of RAM to the virtual machine but the CPU usage is 100% all the time! Svchost.exe process is loading CPU to 100%” Let us see what are the possible reasons of low performance and how to speed up Windows 10 on virtual machine.