Learn about Windows PowerShell
Summary: Use Windows PowerShell 3.0 on Windows 8 to find print devices that use 32- or 64-bit drivers.
How can I find print devices on my computer running Windows 8 that use 32-bit or 64-bit drivers?
Use the Get-PrinterDriver cmdlet and use the Where-Object (? Is an alias) to filter out the printerenvironment property. Use the match operator to find either 64 or 32 as your needs require. Below are examples of this technique.
Get-PrinterDriver | ? printerenvironment -match 64
Get-PrinterDriver | ? printerenvironment -match 32
It mistakenly mentions Get-PrinterConfiguration instead of Get-PrinterDriver, and I think for 32-bit drivers you need to match on 86 (as in x86)