News: Windows 10 November Update mysteriously pulled, as concerns about bugs grow | Ars Technica
Downloadable versions of Windows 10 version 1511, the November 2015 update, appear to have been removed after their release earlier this month.
The November update was originally available via the MCT (Media Creation Tool), but the company decided that future installs should be through Windows Update. People can still download Windows 10 [Build 10240] using the MCT tool if they wish. The November update will be delivered via Windows Update.
Microsoft has not pulled the Windows 10 November 10 update. The company is rolling out the November update over time – if you don’t see it in Windows Update, you will see it soon.