Windows 10: How to scan a QR code using the authenticator app?

The QR code showing in one page that asks to download the authenticator app and then come back to this page, I did that and I opened the authenticator app, it shows the scanner Windows with a massage on the top saying "your account provider will display a QR code" , and that is it nothing else is happening after that, I go back to the page that has the code in the middle of the page and the recommendation to download the syndicator app I click on the app after download and I get the page with the scan and camera and this message and nothing else I cannot connect the two together or know how to

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Microsoft Authenticator won't scan the Microsoft QR code.

Like the title says, the MICROSOFT AUTHENTICATOR APP WON'T SCAN THE MICROSOFT QR CODE. I'm trying to add it but i keep getting the error "Invalid Bar code". Why can't two Microsoft products work together? I have 5 different sign in's on it but it can't get the company that makes each of them right. Can it be done with a setup key instead of the broken QR code scanner?

 

Microsoft Authenticator App is "stuck" in manual entry - won't show scan QR code dialog

I've been using the Microsoft Authenticator and have a number of important accounts entered now.

I've always used "Scan QR Code".

But, today I tried to use the manual code entry.

Now when I select "Scan QR Code" only the manual entry interface appears.

How to get out of this.

I've rebooted the iPhone.

 

scan QR codes into bluestacks android apps with PC webcam

This is not an android question.
It is a bluestacks question.

I do not own a smart phone.

For android apps i use bluestacks installed on windows 10 pro.

i ordered a smart watch from aliexpress.

it requires me to scan a QR code into an android/ios device in order to pair.

(How)Can I use my pc webcam to scan QR codes into android apps on bluestacks ?