Cheat Engine has the ability to load its unsigned 64-bit device driver on Windows Vista and later x64 bit versions of Windows, by using DBVM, a virtual machine by the same developers that allows access to kernel space from user mode. It is used to allocate nonpaged memory in kernel mode, manually loading the executable image, and creating a system thread at Driver Entry. However, since the Driver Entry parameters are not actually valid, the driver must be modified for DBVM.