> For the complete documentation index, see [llms.txt](https://malwaresourcecode.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://malwaresourcecode.com/home/fingerprinting/peb-teb-related/getosmajorversionfrompeb.md).

# GetOsMajorVersionFromPeb

```
ULONG GetOsMajorVersionFromPeb(VOID)
{
	return GetPeb()->OSMajorVersion;
}
```