Steam is a place for games. 
Steam is a shop for computer games.
You can buy many different games here. You can also buy music and videos. 
Steam works on many kinds of computers. It works on Windows and Mac. It also works on mobile phones. 
Steam is a large digital shop for computer games. 
Steam does many jobs for players. It lets you buy games and keep them in a virtual library. You can download your games on many different computers. Steam also uses a tool called Steam Cloud. This tool saves your game progress on the internet. This way, you can play on a new machine and keep your spot. 
Steam has many special parts. It has a way to stop people from cheating in games. This is called Valve Anti-Cheat, or VAC. It also has a way to stop people from stealing games. This is called digital rights management, or DRM. Steam works on Windows, Mac, and Linux. You can even use it on a handheld device called the Steam Deck. This device is made specifically to run Steam games.
Steam is a huge digital shop for computer games. 
Steam works by creating a virtual library for your games. When you buy a game, a digital license stays on your account. This lets you download and install the game many times. The service uses an international network of servers to send files. It also uses a tool called Steamworks to help developers. This tool lets them add special features to their games. One feature is called Steam Cloud, which saves your progress online. 
Valve started building Steam in 2002. They used the names "Grid" and "Gazelle" during development. They wanted a better way to send updates to players. Before this, players often had to disconnect for days to install patches. They even asked companies like Microsoft for help, but were turned down. Steam was released for beta testing on March 22, 2002. It officially came out of beta on September 12, 2003. 
Steam has grown into a massive service with many users. By 2013, it held about 75% of the PC game market. In 2017, people bought about 4.3 billion games through the platform. By 2021, Steam had over 34,000 games available. It also reached over 132 million monthly active users. The network delivers huge amounts of data every year. In 2018, it delivered 15 billion gigabytes of data. 
Many people know Steam through the hardware Valve makes. They created the Steam Machine and the Steam Controller in 2015. They also made Steam Link devices for streaming games locally. In 2022, they released the Steam Deck. This is a handheld device made just for playing Steam games. You can also use Steam on mobile phones with iOS or Android. It even works on different computer systems like macOS and Linux.
Steam is a massive digital distribution service and storefront for video games.
The service works through a complex system of servers and software tools. 
Steam provides many different tools to improve the gaming experience. One major feature is Steam Cloud, which stores saved game files on Valve's servers. This allows players to access their progress from any computer using the Steam client. In 2022, Valve added Dynamic Cloud Sync to this system. This feature allows games to save progress while they are still running. This was specifically designed to help users of the Steam Deck handheld device. 
Developers use a specific set of tools called Steamworks to build their games. 
The history of Steam began with a need for better software updates. In the early 2000s, Valve found that updating multiplayer games was very difficult. Players often had to disconnect from games for several days to install manual patches. Valve wanted a way to automate these updates and strengthen anti-piracy measures. They originally approached companies like Microsoft and Yahoo! for help, but were rejected. Valve began developing their own platform in 2002 under the names "Grid" and "Gazelle." Steam was released out of its beta testing phase on September 12, 2003.
Steam has seen incredible growth in its user base and market reach. 
Valve has expanded the Steam brand into various types of hardware. In 2015, they developed the Steam Machine gaming PCs and the Steam Controller. They also released Steam Link devices for local game streaming. The most recent major addition was the Steam Deck in 2022. The Steam Deck is a handheld computer specifically tailored to run Steam games. The service is also available on many different operating systems. It was originally for Windows, but was ported to macOS and Linux in 2010 and 2013. Mobile versions also exist for iOS and Android devices.
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