Sorry I did not have time to translate into English. I was just attempting first paragraph while waiting in car for my eldest to take to work when they appeared at the car door! And the first paragraph only related to peripherals, not what's on board.
Thanks for taking the time to post all that.. It were quite helpful. Cheers!
Yes, the exe installed the drivers automatically.
Unfortunately.. after a restart there were no change.
The WLAN icon is still missing from the internet console.
Also tried the installers below, from Realtek's website.
https://www.realtek.com/Download/List?cate_id=674&menu_id=297
After another restart - that did not work either.
Now I've sent another email to Odys to check that the Realtek 8723DU Wireless LAN is the correct device, and if so, what the problem could be.
Bloody frustrating are WLAN installations.
_____________________________________________________________________________
Now I managed to get the WLAN installed with another driver installer.
WLAN is now showing in the settings panel.
However, no WiFi networks can be found.
In fact there are 8 active networks -- 1 of which I am connected to,
but none detected by the WLAN on the Odys laptop.
Do you know the MAC address of the WLAN i. the Odys? How about logging into your router and adding the Odys MAC address to the allowed devices?
Don't know where to find the WLAN MAC address in Windows 10.
7 parameters need to be set to Automatic in device settings:
Network Location Awareness
Network Location Service
Application Layer Gateway Service
Remote Procedure Call (RPC)
Network Connections
Remote Access Connection Manager
Remote Access Auto Connetion Manager
These are all reset now.. and the Odys restarted, but still no network list.
What on earth does it take to get WiFi to work on an Odys laptop (?)
Even Zorin could not get the Realtek WLAN adapter to work.
Must be something very weird about this laptop.
Open a CMD window and enter:
ipconfig /all
In GNU/Linux (Zorin) you have to install 'net-tools':
sudo apt install net-tools
(even in live mode [Try Zorin])
then
ifconfig -a
WLAN Address: 30-95-87-77-28-04
IP-Routing.......Deactivated
WINS-Proxy... Deactivated
Using Brave A.I. Search engine via Mojeek.com:
" Enabling IP Routing in Windows 10
To enable IP Routing in Windows 10, you need to modify the registry. Open the Registry Editor by typing regedit in the search box and pressing Enter. Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters and add a new DWORD value named IPEnableRouter . Set its value to 1 to enable IP routing.
For enabling WINS Proxy, navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Netbt\Parameters . Modify the EnableProxy DWORD value to 1 . If the EnableProxy key does not exist, you may need to create it.
After making these changes, restart your computer to apply the settings. You can verify that IP routing is enabled by opening Command Prompt and typing netsh interface ipv4 show interface .
If you are facing issues with WLAN, ensure that your network adapter drivers are up to date and that your WLAN settings are correctly configured in Windows 10.
Restarting your computer after these changes should help improve your WLAN connectivity.
Note: Modifying the registry can affect system stability. Ensure you back up the registry before making any changes."
If possible, backup your install before meddling with the registry!
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B R I L L I A N T !
You just sorted the WLAN
Thank You Cheshire Cat!
Our Lass is proper chuffed x))
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I (and Brave A.I.) like to help where I (/we) can! 
On a side note, did Odys come back to you about the Win 11 fail?
Could not have sussed it without the help. Cheers!
The tech support bloke at Odys says it could be a BIOS firmware error.
Who knows...
Today's task will be to indentify the audio device and find a driver installer for it. The driver pack has all other drivers compiled in directories by category -- but with no exe installers. (Joy!)
Here's a list of Odys MyBook PRO14 SE drivers
with the audio drivers 6th from the botton of the list >
https://archive.org/download/odys-driver
From what I can tell, it looks an Intel Audio device.
It's not Intel it's Everest Semiconductor:
Downloaded every Everest Semiconductor ESAuDriver zip
extracted them all, but not one has an exe autoinstaller.
This is where I appreciate Linux and sudo install.
This has become the never ending story, like all things 'Windows'.
Amazingly irritating. On top of all that -- we had to activate Win10 today,
since obviously Odys couldn't be bothered with sending us a preactivated iso.
The activation were not cheap either.
Is there no C.o.A.? If not on the battery, if the clam shell can be removed it might be on that. You should not have had to pay for activation.
Nope.. There is no C.o.A anywhere on (or in) the Odys.
I checked everything.
Got a Windows Activiation notice after midday.. after that no changes were possible until Win10 were activated -- like a ransom note from Bill Gates.
This just adds ever more loathing for Microsoft.
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Need to bookmark this thread to use as a reference for all those times someone is struggling with a driver install on Zorin OS and they complain that it never happens in Windows OS...
Oh yeh, it happens. There is a reason a non technical person like me knows how to use the diskpart command line tool that comes on Windows ISO, knows how to preload drivers into the driver store of the Windows install ISO, and yes can even talk enough bcdedit to create tolerable entries without the need of a third-party gui. Things can go horribly wrong in Windows, horribly fast. I still have no less than 3 Windows installer USBs even though I no longer use Windows because - other people I know use Windows. And I know from experience it's not a matter of "if" I will be called to help them fix the latest Windows fiasco, but "when".
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Your speaking my language, preach it my fine Zorin OS user, preach the gospel of truth, on the experiences of what its like, on Windows OS. 
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Zorin is a dream for installations -- I've never seen anything like it.
Everything with Windows is a special kind of torture.
6 days on -- and still struggling to get an audio driver installed.
Must be some sort of record.
Have tried using device manager to install drivers from the audio folders, but that didn't work either.
From recollection (isn't it funny how you forget Windows stuff?) drivers were usually suffixed with .inf.
Have you tried running 'Detect new hardware'? Don't know if it is still around in Windows 10. Then point to extracted driver/.inf file?
Yepp -- Detect New Hardware is still in Win10
The driver files provided by Odys are > .inf -- .sys -- .cat
In > C:\Windows\System32\drivers\ all the files are .sys
This is the directory I always assumed drivers needed to be,
but that is not the case.
.inf files are located at > C:\Windows\INF\
There are more .inf files than you can shake a stick at ( ! )
.cat files are in C:\Windows\System32\CatRoot
I read that manually installing .cat files in CatRoot is courting misadventure.
I wonder if the same regedit trick which worked for activating the Network adapter - would work for the Audio adapter (?)