I sometimes write using Word 5.5 for DOS. Does that count?

But for distraction free writing, I use an older laptop that still handles MS Office. And would handle LibreOffice. I have every programs uninstalled that can posssibly be uninstalled. But I only installed Word, not the rest of Office. The laptop would handle the rest easily enough, but I don't want it on there. It doesn't even have an internet connection. It's as distraction free as you can get.