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Microsoft Windows, commonly referred to as Windows, is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. Active Microsoft Windows families include Windows NT and Windows IoT; these may encompass subfamilies, (e.g. Windows Server or Windows Embedded Compact) (Windows CE). Defunct Microsoft Windows families include Windows 9x, Windows Mobile and Windows Phone.
Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Microsoft Windows came to dominate the world's personal computer (PC) market with over 90% market share, overtaking Mac OS, which had been introduced in 1984.
Apple came to see Windows as an unfair encroachment on their innovation in GUI development as implemented on products such as the Lisa and Macintosh (eventually settled in court in Microsoft's favor in 1993). On PCs, Windows is still the most popular operating system in all countries. However, in 2014, Microsoft admitted losing the majority of the overall operating system market to Android, because of the massive growth in sales of Android smartphones. In 2014, the number of Windows devices sold was less than 25% that of Android devices sold. This comparison, however, may not be fully relevant, as the two operating systems traditionally target different platforms. Still, numbers for server use of Windows (that are comparable to competitors) show one third market share, similar to that for end user use.
As of October 2021, the most recent version of Windows for PCs and tablets is Windows 11, version 21H2. The most recent version for embedded devices is Windows 10, version 21H1. The most recent version for server computers is Windows Server 2022, version 21H2. A specialized version of Windows also runs on the Xbox One and Xbox Series X/S video game consoles.

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Recent contents Top users
  1. S

    Which blinds for windows?

    Thinking of getting some vertices ones for the bedroom. All windows have pvc frames. Also double conservatory PVC doors. (Full windows) Lastly horizontal ones for the kitchen. Are they easy to install? And where will be the best place to buy them from?
  2. L

    Help with bathroom with no windows

    I currently rent a flat but the bathroom does not have a window. Weirdly last year we had no issues but this year we have noticed mould spores on the ceiling and shower curtain. This has been removed by mould cleaner. We have an extractor fan but it’s small and only works for around four minutes...
  3. K

    Radiators under windows still?

    Hi, I've seen and heard several people actively discouraging fitting rads under windows with some claiming it as a 'last resort'. I get their logic but I think its misplaced. I still reccomend placing under windows as I want to eliminate draughts and believe that having the air curtain and heat...
  4. jtsplumbing

    Apps for windows phons

    Hi guys I know a lot of you use apps for gas rates etc. but these only seem to be available on certain systems Android or iPhones, I use a Nokia phone running on windows but cant find any suitable apps for gas calc's, But I know someone will give me some information to what I can install.
  5. M

    Heat loss calculation in mansion..help!

    Hi, Doing a heat loss calculation in a 8 bedroom house in central London. Currently has a light commercial Keston C90, 80l expansion on heating and 2 x 200 - 300l indirect cylinders. Its a family house with 33 rads with a mixture of cast iron and single/double steel rads. Wanted to do an...
  6. H

    Gas Installers Workmate.....

    ....GIW Version 5 - USB Edition, anyone know anything, I've been trying to access recently on my windows 10 tablet with no joy, nor can I find a internet site (that's accessible) for them. It worked fine before on windows 8.1 but now looks like its dead, bloody annoying for 50 quid.
  7. turnpin

    windows 10

    anyone using it yet if so is it any good ?...regards Turnpin:D
  8. A

    Which tablet

    Hi all, Daughter has permanently borrowed my Asus T100TA tablet/laptop:rolleyes2: for studies/uni so looking at a replacement for it. Looking at the Lenovo ThinkPad 10 as a starter or possibly one of the 11.6" tablets for manuals & the likes. Like the bigger screens & also expandability of...
  9. J

    distance from flue to windows?

    what would you say the distance to the window on left should be?? Is it treated as normal window? below a window?? or something else?? cant find anything anywhere. Ideal logic 35+ combi boiler.
  10. Robert Tyrrell

    Soil Stack Regs?

    I can't find this anywhere but a mate of mine has had a car port built and the builder has terminated the soil stack about 1.5 meters above ground, under the car port with just an ordinary cage on top, not even a durgo. Can anyone point me in the right direction so that i can copy the relevant...
  11. A

    Drafty windows. You guys know your stuff

    I know this has nothing to do with Plumbing but you guys know your stuff and have always helped out in the past so thought to ask here. I got a new build and with the movement/settlement in the first few years or bad fitting the windows have developed air leaks on the side. How would you...
  12. Neil T

    OnTrac invoice app FREE

    As I've just set up my own business, I'm all for saving money and I've found this app for blackberry and android phones. OnTrac allows you to email invoices, reciepts, estimates and statements on the go. It also sends copies to your own email so you have a copy. There is a windows desktop...
  13. PriestyUK

    Vertical Flue Termination

    Hi lads, just been to price a job to replace a OLD big bad boy Ferroli combi boiler which is in a habitable loft space. My problem is the current vertical flue terminates in between two opening velux windows 900mm one side and 400mm the other, pretty much in line, not above them and not below...
  14. clarky101

    Flues & balconies..

    Gotta price a job up in a first floor flat, at the mo it's just storeage heaters but the guy wants a combi....the only wall in the kitchen that the boiler can be mounted has a balcony above....now I've seen this before where the flue is extended past the balcony but it was a top floor flat and...
  15. M

    Flue terminal positions close to windows - changed?

    Hi We all know terminal must be 300mm from an opening window - but am I dreaming or has the rule changed now for distance from non opening windows? Seem to remember seeing somewhere that it now based on distance from a change in structure eg from edge of where brick changes to window frame...
  16. B

    cookers in internal rooms no windows or doors

    been to a flat today with kitchen with no windows or doors to outside kitchen door opens into living room - ok as there is a fan to the required spec to ventilate the kitchen my concern is that the pipe on the fan to outside is that white flexi stuff like on tumble driers - this can rip or hole...
  17. G

    Don't buy Windows 7

    .....because Windows 8 is being released on the 21st of October. Upgrades are only about £25 as well.
  18. H

    Pilot light and open windows

    Hi, We have a gas back boiler with fire on the front. Now the weather is better we have the windows open for most of the day. There are two large windows both on the opposite wall to the fireplace. We keep the pilot light on all the time as we heat the water up with the gas as we've been told...
  19. Dan

    Update Windows

    Please update your Windows. There are a couple of important updates out, plus a better IE, and if you have it, a service pack update for Office. http://update.miscrosoft.com
  20. R

    Bay windows radiator

    Hi , I'm trying to find someone who can bend a radiator to fit a bay window? Anyone have any contacts?
    • ramesh
    • Thread
    • central central heating find free heating leak merchant plumbers radiator stock system tee trade wall windows
    • Replies: 15
    • Forum: Plumbing Jobs | The Job-board
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