Google Authenticator is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is Ente Auth, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Google Authenticator and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Google Authenticator are KeePass, Proton Authenticator, KeeWeb and OneKeePass.
Generates and stores two-factor authentication tokens with device encryption, offers secure cloud backup, multi-device synchronization, offline mode, and import/export through QR, file, or manual input. Migration and restore tools reduce risk of token loss.
Free and open source password manager offering secure local storage of passwords in an encrypted database, strong AES and Twofish encryption, master key or key file access, portable version, plugin support, password generation, and optional two-factor authentication.
Unrelated - doesn't provide MFA codes.
keepass does not do what goole auth does, 2FA OTPs
Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.
Web and desktop password manager compatible with KeePass. Works online in any modern browser or as a desktop app for Windows, macOS, and Linux.
OneKeePass supports the well known KeePass-compatible database (Kdbx 4.x). It stores and manages all your passwords and other sensitive information in a single encrypted file that can be stored in any location, including local and public cloud solutions. You keep?
Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.
Easy, Open Source and available via Browser Addon. You can even scan the QR Code with a screenshot. BEST 2FA!!!
Free, open source, and a browser extension for multiple browsers so you can use it on any platform? Hell yes.
Also it's super simple. It just does what it says on the box, no extra crap you don't want.
Manage all your passwords across all devices. Open Source password manager compatible with kdbx/keepass. Available on Android, iOS, iPadOS, MacOS, Linux and Windows. It can also be used as a cross-platform supported two factor authentication app.
OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
Alternative client for the Bitwarden® platform & KeePass (KDBX), created to provide the best user experience possible.
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.
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.
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
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Of course can you use KeePass and apps that utilize kdbx files as a TOTP generator. Just read it up.