64 bit testing tools

Sometimes you want to check  if an exe file or DLL is 64bit or its dependencies etc.
These tools can help you:

• EXE 64 bit Detector: (basic)

command-line tool to find if file is 32-bit or 64-bit Executable

• Dependency Walker: (advanced)

free utility that scans any 32-bit or 64-bit Windows module (exe, dll, ocx, sys, etc.) and builds a hierarchical tree diagram of all dependent modules.
Very useful for troubleshooting system errors related to loading and executing modules. Dependency Walker detects many common application problems such as missing modules, invalid modules, import/export mismatches, circular dependency errors, mismatched machine types of modules, and module initialization failures.

Win8 - Open multiple desktop apps with key cmd

Source
Win8 doesn’t let you launch multiple instances of some programs when launched through the Start Screen. For instance, if Notepad is already opened on desktop, you can’t quickly open another Notepad window from the Start Screen.

Luckily there are key commands to help you:
- Shift Click the Icon on the taskbar
- Middle click