Viewing other types of file containing simple text in Windows

# Remember to change the extension in the commands, '.ps1' and '.twig' in the examples.

# Settings for the current user
Set-ItemProperty HKCU:\Software\Classes\.ps1 -Name PerceivedType -Value text

# If the key does not exist for the extension, it must be created
New-Item HKCU:\SoftwareClasses\ -Name .ps1

# System-wide setting, requires administrator rights
Set-ItemProperty Registry::HKEY_CLASSES_ROOT\.twig -Name PerceivedType -Value text

# If the key does not exist for the extension, it must be created
New-Item Registry::HKEY_CLASSES_ROOT\ -Name .twig