The Windows Azure SDK binaries and pertaining PowerShell cmdlets are all 32-bit, which is why the "Windows Azure Powershell" shortcut always launches a 32-bit shell.
You can import the Azure module to an existing PowerShell session by referencing the filesystem path to the module manifest:
Import-Module "C:\Program Files (x86)\Microsoft SDKs\Windows Azure\PowerShell\Azure\Azure.psd1"
[Update] In latest Azure, use
Import-Module "C:\Program Files (x86)\Microsoft SDKs\Azure\PowerShell\ServiceManagement\Azure\Azure.psd1"
To access the module by name alone, you'll need to include its location in the PSModulePath
environment variable (here in excruciating detail, for developers):
$oldPSModulePath = [Environment]::GetEnvironmentVariable("PSModulePath")
$azureModulePath = "C:\Program Files (x86)\Microsoft SDKs\Windows Azure\PowerShell\"
$newPSModulePath = $oldPSModulePath,$azureModulePath -join ";"
[Environment]::SetEnvironmentVariable("PSModulePath",$newPSModulePath)
And a shorthand expression for your powershell
$env:PSModulePath += ";C:\Program Files (x86)\Microsoft SDKs\Windows Azure\PowerShell\"
Import-Module Azure # <-- Now you can do this!
You could include the above in your PowerShell profile