RemixIconEx.Logos.windows

You're seeing just the function windows, go back to RemixIconEx.Logos module for more information.
Link to this function

windows(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Logos.windows()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M21 2.5v19l-18-2v-15l18-2zm-2 10.499L12 13v5.487l7 .778V13zm-14 4.71l5 .556V13l-5-.001v4.71zM19 11V4.735l-7 .777V11l7-.001zm-9-5.265L5 6.29V11L10 11V5.734z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}