_Added in 1.9.0_

*$os*

Returns the version number of the operating system.

_The reply can be XP, 2003, 2003R2, Vista, 2008, 7, 2008R2, 8, 2012, 8.1, 2012R2, 2016, 10 0r 11._

*Properties*

table(ktable).
|*Property*|*Description*|
| .major | Returns the os major version. (May returns wrong value in windows 11+) |
| .minor | Returns the os minor version. |
| .build | Returns the os build number. |
| .platform | Returns the os platform. |
| .type | Returns the os type. |
| .spmajor | Returns the os service pack major version. |
| .spminor | Returns the os service pack minor version. |
| .suite | Returns the os suite. |