{"Windows 2018", NULL, 0, ACPI_OSI_WIN_10_RS4}, /* Windows 10 version 1803 - Added 11/2018 */
{"Windows 2018.2", NULL, 0, ACPI_OSI_WIN_10_RS5}, /* Windows 10 version 1809 - Added 11/2018 */
{"Windows 2019", NULL, 0, ACPI_OSI_WIN_10_19H1}, /* Windows 10 version 1903 - Added 08/2019 */
+ {"Windows 2020", NULL, 0, ACPI_OSI_WIN_10_20H1}, /* Windows 10 version 2004 - Added 08/2021 */
/* Feature Group Strings */
#define ACPI_OSI_WIN_10_RS4 0x12
#define ACPI_OSI_WIN_10_RS5 0x13
#define ACPI_OSI_WIN_10_19H1 0x14
+#define ACPI_OSI_WIN_10_20H1 0x15
/* Definitions of getopt */