Overview: This article is only for IT Pros who absolutely need to access an older device uses deprecated TLS protocols (such as TLS 1.1) . you should NOT override your security settings unless you understand the risks. This article outlines options for using a browser on Windows 11 64 bit OS, with ability to access older TLS protocol devices.
Tip 1: Using Firefox browser
Since Edge and Chrome have eliminated the ability to override TLS security settings you will need Firefox browser v. 98.0 (download link below). Once Firefox is launched go to about:config and search for TLS. Set security.
Link to v98.0 of Firefox for Windows 11 64 bit: https://ftp.mozilla.org/pub/firefox/releases/98.0/win64/en-GB/
Tip 2: Using "IE Mode" (Internet Explorer) in modern Edge browser
In Edge go to settings > Default browser > Allow sites to be reloaded in Internet Explorer mode: Allow [restart Edge browser]
Click the "e" icon in the top-right to install the "IE Mode" extension:
ietabhelper.exe
Once installed, whenever you click the "e" 
icon your website will be displayed in a "sub-browser" instance of the old Internet Explorer browser:
This allows most older IE features to continue to work; only recommended where essential and no other solution is available.
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