The Different Types of Updates in Windows 10
|Types of updates||Schedule||What they do||Other notes|
|Feature updates||Twice per year||Add new features and functionality to OS|
|Quality updates||Second Tuesday of each month||Security and non-security fixes to OS||- Cumulative updates, final release.|
- Classed as "B" updates
- Includes; critical updates, servicing stacks, driver updates.
|Optional Quality updates||Once a month, near end||Stability and other problem fixes.||- Known as "Cumulative Preview Updates"|
- Preview releases are classed as "C" or "D" updates
- Can be skipped for "B" updates (see row above)
|Servicing stack updates||Out of band||Component that installs Windows updates||- Allows latest updates|
- Component-based servicing stack (CBS) is the underlying component for several elements of Windows deployment including DISM, SFC, repairs
|Driver updates||Off by default||Updates drivers to your devices||- Control whether they are installed or not|
|Microsoft product updates||Updates other Microsoft products such as Office||- Can be enabled or disabled|
|Feature Experience Pack updates||Optional||Improve features and experiences developed independently to OS||- Delivered via Optional updates|
Data sources (1) and (2). Added (3) for Optional quality updates.