Dbvm is a feature of cheat engine rather than a add on. When you open cheat engine you should see its trademark icon in the top right corner. Left clicking should take to this website and right clicking should reveal info. At the bottom written in Green it should say dbvm is allowed or something to that affect ( if it doesn't then your computer probably does not run it) of it does left click it and it should start to run.
Couple things you may run into. intel-vs is not enabled in your bios. You have to go into bios to enable.
You all ready have a virtual running. More than likely it's avast
Disable it from your start menu restart and then try.
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