Method 1: Use a Google Authenticator Extension in Chrome
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Download/open Google Chrome
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Install any TOTP extension in Chrome
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Open the website on which you want to bind 2FA
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Click "Enable Two-Step Verification." → The system will display a QR code or secret key
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Click the Authenticator extension in the top-right corner of Chrome
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Select "Scan QR Code" or "Enter Key"
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A 6-digit verification code is generated
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Enter it on the website → Binding successful
Method 2: Use the official Google Authenticator mobile app
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Install Google Authenticator on your phone
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Log in to your Google account
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Select "Scan QR Code" or "Enter Key"
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A 6-digit verification code is generated
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Enter it on the website → Binding successful