If conventional funds (that is, static funds) do not quite convince you at all, then the next step is to install a dynamic animated background, like this Blood Curdling Halloween.
Blood Curdling Halloween will convert the background of your desktop to some imposing reddish tones (in the purest blood style) where with poor visibility (as if it were recorded with a camera with little definition) you can see an old spectral house where bats flutter, but for If that were not enough, the overwhelming image of the very death with its unmistakable scythe will appear every so often.
You can free download Blood Curdling Halloween 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.