开云体育

See also the official documentation:
Help Center > Members Manual > 开云体育 accounts > Account preferences > Setting up or disabling 2FA

Choose Settings from the drop-menu under your name, in the upper right corner of any 开云体育 page (when you are logged on).

Select the Security page from the navigation list on the left.

(to be written)

Note: Login cookie expires after 30 days; you will need to re-authenticate using the second factor each time it does.[1]

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[1] Beta@ message #13640, by Mark Fletcher