FreeOTP is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best Windows alternative is Authy, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to FreeOTP and six of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to FreeOTP are Authenticator Extension, Invantive Authenticator, CryptoPhoto and 2fast.
FreeOTP is mainly a Authenticator App but alternatives to it may also be Password Managers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of FreeOTP.
Invantive Authenticator is a two-step verification solution for use with TOTP-protected websites and products such as Exact Online. Made in Holland by a partner of Exact, awarded accountancy app partner of the year 2017.
2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.
Protectimus Solutions provides a powerful multi-factor authentication service. We offer 2FA SaaS platform and on-premise version of the product which supports a great variety of TOTP tokens and program tokens for OTP delivery.