As described at ASUS official site, ASUS ROG Zephyrus Duo 15 GX550LXS-XS99 is 15.6 inch gaming laptop powered by
10th Generation 2.40 GHz Intel Core i9-10980HK octa-core processor with discrete NVIDIA GeForce RTX 2080 SUPER graphics card with dedicated 8GB GDDR6 VRAM (Boost Clock: 1330MHz, 90W).
This ASUS ROG GX550LXSXS99 notebook PC comes with 32GB DDR4 3200MHz SDRAM system memory and 2 TB M.2 NVMe PCIe 3.0 SSD solid state drive for storing games, files, musics, videos, and other documents.

ASUS ROG ZEPHYRUS DUO 15 GX550LXS-XS99 SPECIFICATIONS
Operating system : Windows 10 Pro 64-Bit
Processor : 10th Gen Intel Core i9-10980HK (2.40 GHz, up to 5.30 GHz, 16M Cache, 16 Threads, 8 Cores)
Graphics : NVIDIA GeForce RTX 2080 SUPER, dedicated 8GB GDDR6 VRAM (Boost Clock: 1330MHz, 90W)
Memory : 32GB DDR4 3200MHz SDRAM; Support up to 48GB (16GB on board memory)
Storage : 2TB M.2 NVMe PCIe 3.0 SSD with RAID 0 support
Display : 15.6-inch, Non-glare UHD (3840 x 2160), IPS panel 60Hz, 100% Adobe RGB, Pantone Validated, G-SYNC with 14.1-inch (3840 x 1100) touchscreen
VR Ready : Yes
Keyboard : Backlit chiclet keyboard; Per-key RGB lighting; 1.4mm travel distance; N key rollover
Audio : 2 x 4W speakers with Smart AMP technology; ESS, High-res certified; Array Microphone
Software : Screen Xpert (with ROG theme); Armoury Crate; Xsplit Gamecaster
I/O Ports : 1 x USB 3.2 Gen 2 Type C with DisplayPort 1.4, Thunderbolt 3 and Power Delivery; 2 x USB 3.2 Gen 1 Type A; 1 x USB 3.2 Gen 2 Type A; 1 x HDMI 2.0b; 1 x 3.5mm Microphone-in jack; 1 x 3.5mm Microphone-in/Headphone-out jack; 1 x RJ45
Power : 240W Power Adaptor; Support Type-C PD 3.0 up to 65W
Battery : 4-cell Lithium-ion battery
Wi-Fi : Intel Wi-Fi 6 with Gig+ performance (802.11ax)
Bluetooth : Bluetooth 5.0
Dimensions : 14.2 x 10.6 x 0.8 inch (W x D x H)
Weight : 5.51 lbs.
ASUS ROG ZEPHYRUS DUO 15 GX550LXS-XS99 DRIVERS FOR WINDOWS 10 64 BIT
GRAPHICS / VIDEO / VGA / DISPLAY
NVIDIA Graphic Driver V26.21.14.4280
Version : 26.21.14.4280
Release date : 2020/05/06
File size : 742.44 MB
File name : VGA_NVIDIA_DCH_ROG_V2621144280.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/VGA/VGA_NVIDIA_DCH_ROG_V2621144280.zip
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Intel Graphics Driver V26.20.100.7926
Version : 26.20.100.7926
Release date : 2020/04/24
File size : 347.76 MB
File name : VGA_Intel_DCH_ROG_V26201007926.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/VGA/VGA_Intel_DCH_ROG_V26201007926.zip
AUDIO / SOUND CARD
Realtek Audio Driver V6.0.8931.1
Version : 6.0.8931.1
Release date : 2020/05/13
File size : 27.58 MB
File name : Audio_Realtek_Nahimic_ROG_V6089311.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/Audio/Audio_Realtek_Nahimic_ROG_V6089311.zip
CHIPSET
Intel(R) Chipset Device Software V10.1.31.2
Version : 10.1.31.2
Release date : 2020/04/15
File size : 164.83 KB
File name : Chipset_Intel_DCH_ROG_V101312.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/Chipset/Chipset_Intel_DCH_ROG_V101312.zip
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ASUS System Control Interface V2 V2.2.20.10
Version : 2.2.20.10
Release date : 2020/06/03
File size : 10.3 MB
File name : AsusSystemControlInterfaceV2_V222010.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/AsusSystemControlInterfaceV2_V222010.zip
Intel(R) Management Engine Components V1952.14.0.1470
Version : 1952.14.0.1470
Release date : 2020/04/15
File size : 16.59 MB
File name : MEI_Consumer_ROG_Intel_DCH_V19521401470.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/MEI/MEI_Consumer_ROG_Intel_DCH_V19521401470.zip
Intel Dynamic Platform and Thermal Framework Driver V8.7.10200.12510
Version : 8.7.10200.12510
Release date : 2020/04/15
File size : 7.11 MB
File name : DPTF_Intel_ROG_DCH_V871020012510.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/DPTF/DPTF_Intel_ROG_DCH_V871020012510.zip
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Intel(R) Smart Sound Technology V10.25.0.3633
Version : 10.25.0.3633
Release date : 2020/04/15
File size : 465.89 MB
File name : ISST_ROG_V102503633.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/ISST_ROG/ISST_ROG_V102503633.zip
Intel Rapid Storage Technology driver V17.8.0.1065
Version : 17.8.0.1065
Release date : 2020/04/15
File size : 8.24 MB
File name : RapidStorage_Intel_DCH_V17801065.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/RapidStorage_Intel_DCH_V17801065.zip
Intel Serial IO controller driver V30.100.1915.1
Version : 30.100.1915.1
Release date : 2019/09/18
File size : 419.15 KB
File name : SerialIO_Intel_W10_64_V3010019151.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/SerialIO/SerialIO_Intel_W10_64_V3010019151.zip
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TOUCHPAD
ASUS Precision TouchPad Driver (NumberPad) V12.0.0.32
Version : 12.0.0.32
Release date : 2020/05/07
File size : 435.72 KB
File name : PrecisionTouchPad_NumberPad_ASUS_V120032.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/TouchPad/PrecisionTouchPad_NumberPad_ASUS_V120032.zip
THUNDERBOLT
Intel Thunderbolt(TM) Software V1.41.823.0
Version : 1.41.823.0
Release date : 2020/04/16
File size : 1.33 MB
File name : ThunderBolt_ROG_Intel_V1418230.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/ThunderBolt/ThunderBolt_ROG_Intel_V1418230.zip
WIRELESS LAN WLAN WIFI NETWORK
Intel Wireless LAN Driver V21.80.0.4
Version : 21.80.0.4
Release date : 2020/04/16
File size : 20.19 MB
File name : WLAN_ROG_Intel_DCH_V218004.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/Wlan/WLAN_ROG_Intel_DCH_V218004.zip
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Wireless Radio Control Driver V1.0.0.12
Version : 1.0.0.12
Release date : 2019/10/17
File size : 159.54 KB
File name : WirelessRadioControlDriver_DCH_W10_64_V10012.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/WirelessRadioControl/WirelessRadioControlDriver_DCH_W10_64_V10012.zip
ETHERNET LAN
Realtek LAN Driver V10.038.1118.2019
Version : 10.038.1118.2019
Release date : 2020/04/15
File size : 695.9 KB
File name : LAN_ROG_Realtek_DCH_V1003811182019.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/LAN/LAN_ROG_Realtek_DCH_V1003811182019.zip
BLUETOOTH
Intel Bluetooth Driver V21.80.0.3
Version : 21.80.0.3
Release date : 2020/04/16
File size : 31.53 MB
File name : Bluetooth_ROG_Intel_DCH_V218003.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/Bluetooth/Bluetooth_ROG_Intel_DCH_V218003.zip
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SOFTWARE & UTILITIES
ScreenXpert Driver V1.2.3.0
Version : 1.2.3.0
Release date : 2020/05/20
File size : 5.07 MB
File name : ScreenXpertDriver_ASUS_V1230.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/DriverforWin10/ScreenXpert/ScreenXpertDriver_ASUS_V1230.zip
ScreenXpert UWP
https://www.microsoft.com/store/apps/9N5RFFGFHHP6
ARMOURY CRATE Service V2.7.2
Version : 2.7.2
Release date : 2020/05/18
File size : 60.95 MB
File name : ARMOURYCRATEService_ASUS_V272.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/GX550LXS/ARMOURYCRATEService_ASUS_V272.zip
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GameFirst VI 6.1.8.0
Version : 6.1.8.0
Release date : 2020/05/13
File size : 19.15 MB
File name : GameFirstVI_Installer_6.1.8.0.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/AppforWin10/GameFirstVI/GameFirstVI_Installer_6.1.8.0.zip
ROG Live Service Package V1.0.25.0
Version : 1.0.25.0
Release date : 2020/05/05
File size : 142.78 MB
File name : ROGLiveServicePackage_W10_64_V10250.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/AppforWin10/ROGLiveServicePack/ROGLiveServicePackage_W10_64_V10250.zip
Intel Graphic Command Center
https://www.microsoft.com/en-us/p/intel-graphics-command-center/9plfnlnt3g5g?activetab=pivot%3Aoverviewtab
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Refreshrate Service V2.0.3
Version : 2.0.3
Release date : 2020/02/20
File size : 583.97 KB
File name : RefreshRateService_V2.0.3.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/FX505GD/RefreshRateService_V2.0.3.zip
Thunderbolt Control Center
https://www.microsoft.com/en-us/p/thunderbolt-control-center/9n6f0jv38ph1?activetab=pivot:overviewtab
NVIDIA Control Panel
https://www.microsoft.com/store/productId/9NF8H0H7WMLT
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Realtek Codec Console(Realtek Audio Driver Hardware Support App)
https://www.microsoft.com/store/apps/9p2b8mcsvpln
ARMOURY CRATE UWP
https://www.microsoft.com/store/apps/9PM9DFQRDH3F
Sonic Studio 3 UWP
https://www.microsoft.com/store/apps/9N81C41DQ5SJ
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MyASUS (Windows Store App)
https://www.microsoft.com/store/apps/9N7R5S6B0ZZH
BIOS
BIOS Installer for Windows
First Release BIOS version
Version : 301
Release date : 2020/06/03
File size : 9.38 MB
File name : ASUS_GX550LWS_301_Installer.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/BIOS_Installer/ASUS_GX550LWS_301_Installer.zip
BIOS for ASUS EZ Flash Utility
First Release BIOS version
Version : 301
Release date : 2020/05/18
File size : 8.5 MB
File name : GX550LWS/GX550LWSAS301.zip
https://dlcdnets.asus.com/pub/ASUS/GamingNB/GX550LWS/GX550LWSAS301.zip
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USER MANUAL
ASUS ROG Zephyrus Duo 15 GX550LXS-XS99 Manual PDF English
File type : PDF
File size : 7.45 MB
File name : 0409_E15995_GX550LXS_LWS_B.pdf
https://dlcdnets.asus.com/pub/ASUS/GamingNB/GX550LWS/0409_E15995_GX550LXS_LWS_B.pdf