What does Digit One look like on Microsoft?

On Microsoft it is the design shipped in Windows 10 Anniversary Update, shown above at full size. Older revisions are listed beneath it.

When did Microsoft add Digit One?

Microsoft first drew Digit One in Windows 8.0, released 26 أكتوبر 2012.

Microsoft Corporation has shipped 4 versions of Digit One. Each is dated, so you can see when the design changed.

Microsoft

Microsoft Corporation has drawn Digit One 4 times. Every revision Microsoft has shipped is below, newest first.

What does Digit One look like on Microsoft?: On Microsoft it is the design shipped in Windows 10 Anniversary Update, shown above at full size. Older revisions are listed beneath it.
When did Microsoft add Digit One?: Microsoft first drew Digit One in Windows 8.0, released 26 أكتوبر 2012.
How many times has Microsoft redrawn Digit One?: Microsoft Corporation has shipped 4 versions of Digit One. Each is dated, so you can see when the design changed.

Microsoft artwork for this emoji spans 2012 to 2016.