Specter Desktop offers one of the simplest desktop interfaces available and is a great companion for managing your Passport wallets.
This video walks you through pairing Passport with Specter Desktop, verifying a receive address, and how to sign a transaction, completely air gapped, using QR codes.
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Choose Add new device > Passport
Give the device a name eg 'Alice's Passport'.
Choose Scan QR code
Navigate to the account you want to connect, then choose Manage Account > Connect Wallet > Specter > Single-sig > QR code
Present the animated QR codes being displayed by Passport, to the camera on your computer
Click Continue
Then choose Create single key wallet
Give the wallet a name eg 'Passport Single Sig'
Leave the type of wallet as 'Segwit'
Check the 'Scan for existing funds?' box only if this is an existing wallet
Then click Create wallet
Scan the receive address QR code being displayed by Specter
This video will take you through the set up process of using Passport with Specter Desktop in a multi-sig setup.
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