On October 29th, Microsoft released two preview of Windows 10 — one for mobile devices and another one PCs — through the Fast ring of updates. However, the company didn’t stop there, as a few hours later two more updates — KB3105210 and KB3106932 — began to roll out for the current version of Windows 10 for PCs.
The cumulative update described as KB3105210 fixes various security vulnerabilities in Internet Explorer and Microsoft Edge. The update contains all the fixes released previously, as such if your computer is up to date, only the new fixes will download and apply to your computer.
Finally, the update described as KB3106932 brings improvements to easily upgrade the experience on Windows 10.
KB3105210 and KB3106932 are available immediately via Windows Update, they’ll install automatically, but you can always go to Settings > Update & security > Windows Update, and click the Check update button.