Also known as Windows 10 version 1909, this is the smallest, quickest Windows 10 Update yet. It’s practically just a service pack. To install the update starting later today, head to Settings > Update & Security > Windows Update. Click “Check for Updates.” You’ll see a message saying the update is available. Click “Download and install now” to get it. A “Less Disruptive Update” With Fewer Changes Microsoft’s John Cable explains that this update “will be a scoped set of f