There's desktop-based syncing software including Skydrive itself if one strictly wants to use a local account. Nevertheless, I've been signing in since yesterday on my Windows 8.1 systems just out of curiosity. Otherwise, I've felt no 'need' to.
If all this was Google/Gmail-centric I'd have signed in from day one, since this is where my main online workings is centralised.
If all this was Google/Gmail-centric I'd have signed in from day one, since this is where my main online workings is centralised.