Currently I cannot play video from Twitter, Twitter show "This browser does not support playback video". And this test page (http://www.quirksmode.org/html5/tests/video.html) I also cannot play H.264/MP4

I can play video on web normal with other browsers as Edge, Firefox and Chrome.

I am using Windows 10 Pro x64 with Opera 32

Please help me workaround

Currently I cannot play video from Twitter, Twitter show "This browser does not support playback video".
And this test page (http://www.quirksmode.org/html5/tests/video.html) I also cannot play H.264/MP4

I can play video on web normal with other browsers as Edge, Firefox and Chrome.

I am using Windows 10 x64 with Opera 32

I agree, I cannot play video from Twitter, and this page I cannot play H.264/MP4 (http://www.quirksmode.org/html5/tests/video.html). Twitter show "This browser does not support playback video"

I can play video on web normal with Edge, Firefox and Chrome.

I am using Windows 10 x64 with Opera 32

Cannot play file h.264/MP4 on Opera 32 on Windows 10 Offical.
This is link http://www.quirksmode.org/html5/tests/video.html