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In addition, they implemented only partial memory protection. They were accordingly widely criticised for lack of security. The Windows NT series of operating systems, by contrast, are true multi-user, and implement absolute memory protection. However, a lot of the advantages of being a true multi-user operating system were nullified by the fact that, prior to Windows Vista, the first user account created during the setup process was an administrator account, which was also the default for new accounts.

Though Windows XP did have limited accounts, the majority of home users did not change to an account type with fewer rights — partially due to the number of programs which unnecessarily required administrator rights — and so most home users ran as administrator all the time. Windows Vista changes this [95] by introducing a privilege elevation system called User Account Control.

When logging in as a standard user, a logon session is created and a token containing only the most basic privileges is assigned. In this way, the new logon session is incapable of making changes that would affect the entire system.

When logging in as a user in the Administrators group, two separate tokens are assigned. The first token contains all privileges typically awarded to an administrator, and the second is a restricted token similar to what a standard user would receive.

User applications, including the Windows shell , are then started with the restricted token, resulting in a reduced privilege environment even under an Administrator account.

When an application requests higher privileges or "Run as administrator" is clicked, UAC will prompt for confirmation and, if consent is given including administrator credentials if the account requesting the elevation is not a member of the administrators group , start the process using the unrestricted token.

Leaked documents published by WikiLeaks , codenamed Vault 7 and dated from to , detail the capabilities of the CIA to perform electronic surveillance and cyber warfare, [97] such as the ability to compromise operating systems such as Windows. In August , computer experts reported that the BlueKeep security vulnerability , CVE - , that potentially affects older unpatched Windows versions via the program's Remote Desktop Protocol , allowing for the possibility of remote code execution , may now include related flaws, collectively named DejaBlue , affecting newer Windows versions i.

These global groups then hold other groups or users depending on different Windows versions used. This system varies from other vendor products such as Linux and NetWare due to the 'static' allocation of permission being applied directly to the file or folder.

Owing to the operating system's popularity, a number of applications have been released that aim to provide compatibility with Windows applications, either as a compatibility layer for another operating system, or as a standalone system that can run software written for Windows out of the box. These include:. From Wikipedia, the free encyclopedia. Family of computer operating systems developed by Microsoft. For the part of a building, see Window. For other uses, see Windows disambiguation.

This article relies too much on references to primary sources. Please improve this by adding secondary or tertiary sources. Closed-source Source-available through Shared Source Initiative. Main article: History of Microsoft Windows.

See also: List of Microsoft Windows versions. Main articles: Windows 1. Main articles: Windows 3. Main article: Windows NT.

Main articles: Windows NT 3. Main article: Windows XP. Main article: Windows Vista. Main article: Windows 7. Main articles: Windows 8 and Windows 8. Main article: Windows See also: Azure Virtual Desktop. Main article: Xbox system software. Table of Windows versions. Old version. Older version, still maintained. Latest version.

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Already using Windows 8. All themes that you find on our site will work properly on Windows 8 and Windows 8. We have a lot of different Windows 7 themes on our site. Here is a big big list of best custom shell themes! Arkham Knight is the next upcoming Batman game. We have created a brand-new themepack with over 50 high-resolution wallpapers and classic Batman desktop cursors, desktop icons and the entire sound pack.

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Borderlands is one of the most addictive RPG-shooters out there. The Pre-Sequel hits the shelves next month. Here's a theme with the latest pre-sequel HD wallpapers. On this page we will collect all Windows 10 themes for Windows 7 and 8. The next version is supposed to come out in Right now, it's unclear whether it will be released in mid or late , but from my experience, Microsoft doesn't want another Happy World Cup everyone, may the best team win!

Download our World Cup themepack with icons and wallpapers below. If you want to tweak Windows 7 you also want to change your fonts. The default Windows 7 fonts might bore you after a while or they don't fit to your new theme. Fonts always come in handy whenever you want to create something unique. Because there are so many of them, the chances are pretty good that you will stand out from the crowd.

Fonts can be classic, they can be thin, fat, bold elegant or use a comic style. Everything you want your computer to be can be expressed with a font. But enough of this, here are fonts for Windows This is a compilation of the 25 best HD Windows 7 themes that were created in - if you're still in need of high-resolution wallpapers for your computer, then you might find this list useful. If you do, please share it below. Another Call of Duty by Infinity Ward is coming out later this year.

We are again the first to provide you with a high-quality theme for your Windows PC yes, this also work on Windows 8 if you are running this version So, let's take a quick look at the contents of this themepack and the ZIP file. Because having the correct audio drivers is critical you should make sure to download Realtek drivers if you have a motherboard with a Realtek audio controller most motherboards do This audio driver is for HD sound and works on Windows The following wallpapers are included in our newest Need for Speed Most Wanted theme.

This is a list of 24 wallpapers included in our Eve Dust theme. This is a list of wallpaper included in our new epic Halo 4 wallpaper pack. Updating the Flash Player is something I highly recommended.

The player is frequently exploited, so you should stay away from IE10 until it received the latest flash player Until then you can simply download the flash player that runs on Windows Then you came to the right site. This is the ultimate goody for all fans who will get the upcoming Splinter Cell Blacklist and can't wait to get their hands on it.

Download it now! Get this Crysis 3 theme below. Want to get this nice Halo 4 theme for your Windows 7 PC? On windows7themes. Many web services and even games nowadays requires Java.

If you want to download Java for Windows 8, read the instructions below. About Java Various programs require different versions of Java. Some may require a bit version and some If you want to play the latest video games on Windows 8, you need the latest video card drivers for the best performance.

On this page we are collecting links to the latest drivers for Windows 8 that you need! Latest Drivers Download Driver We have only the best free downloadable desktop themes. Many of our cool themes can be downloaded for free. So, let's take a look at the free themes first.