I can't watch videos with Microsoft Edge on my computer. The device specifications are:

OS Name Microsoft Windows 10 Enterprise N
Version 10.0.16299 Build 16299
Other OS Description  Not Available
OS Manufacturer Microsoft Corporation
System Name DESKTOP-HKT0E89
System Manufacturer LENOVO
System Model 80DU
System Type x64-based PC
System SKU LENOVO_MT_80DU_BU_idea_FM_Lenovo Y70-70 Touch
Processor Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz, 2601 Mhz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date LENOVO 9ECN43WW(V3.03), 12/08/2015
SMBIOS Version 2.7
Embedded Controller Version 3.43
BIOS Mode UEFI
BaseBoard Manufacturer LENOVO
BaseBoard Model Not Available
BaseBoard Name Base Board
Platform Role Mobile
Secure Boot State On
PCR7 Configuration Binding Not Possible
Windows Directory C:\WINDOWS
System Directory C:\WINDOWS\system32
Boot Device \Device\HarddiskVolume1
Locale United Kingdom
Hardware Abstraction Layer Version = "10.0.16299.248"
User Name DESKTOP-HKT0E89\EnryPC
Time Zone GMT Daylight Time
Installed Physical Memory (RAM) 16.0 GB
Total Physical Memory 15.9 GB
Available Physical Memory 6.30 GB
Total Virtual Memory 18.3 GB
Available Virtual Memory 6.70 GB
Page File Space 2.38 GB
Page File C:\pagefile.sys
Virtualization-based security Running
Virtualization-based security Required Security Properties Secure Boot
Virtualization-based security Available Security Properties Base Virtualization Support, Secure Boot, DMA Protection
Virtualization-based security Services Configured 
Virtualization-based security Services Running 
Device Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and device is not InstantGo, Un-allowed DMA capable bus/device(s) detected, Disabled by policy, TPM is not usable
A hypervisor has been detected. Features required for Hyper-V will not be displayed. 

I saw this Microsoft post, I downloaded the installer for my version but it still doesn't work.

Any ideas? Thanks