Question: Since there's no longer a taskbar/start menu Control Panel, how do you clear the history of the Run box in Windows 8?

Answer: 
This did it for me

```
rundll32 inetcpl.cpl ClearMyTracksByProcess 1

```

[Clear History From the Command Line](http://howtogeek.com/howto/windows/clear-ie7-browsing-history-from-the-command-line)
Empty the registry key out:

```
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\TypedPaths]

```

This will kill the typed Run history.