Compatibility he IL

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ASF is a C# application that is running on .NET platform. This means that ASF is not compiled directly into machine code that is running on your CPU, but into CIL that requires a CIL-compatible runtime for executing it.

This approach has gigantic amount of advantages, as CIL is platform-independent, which is why ASF can run natively on many available OSes, especially Windows, Linux and OS X. There is not only no emulation needed, but also support for all platform-related and hardware-related optimizations, such as CPU SSE instructions. Thanks to that, ASF can achieve superior performance and optimization, while still offering a perfect compatibility and reliability.

This also means that ASF has no specific OS requirement, because it requires working runtime on that OS and not OS itself. As long as that runtime is executing ASF code properly, it does not matter whether underlying OS is Windows, Linux, OS X, BSD, Sony Playstation 4, Nintendo Wii or your toaster - as long as there is .NET for it, there is ASF for it.

However, regardless of where you run ASF, you must ensure that your target platform has .NET prerequisites installed. Those are low-level libraries required for proper runtime functionality and absolutely core for ASF to work in the first place. Very likely you can have some of them (or even all) already installed.

ASF packaging

ASF comes in 2 main flavours - generic package and OS-specific. Functionality-wise both packages are exactly the same, they're both also capable of automatically updating themselves. The only difference between them is whether or not ASF generic package also comes with OS-specific runtime to power it.

Generic

Generic package is platform-agnostic build that doesn't include any machine-specific code. This setup requires from you to have .NET runtime already installed on your OS in appropriate version. We all know how troublesome it is to keep dependencies up-to-date, therefore this package is here mainly for people that already use .NET and don't want to duplicate their runtime solely for ASF if they can make use of what they have installed already. Generic package also allows you to run ASF anywhere where you can obtain working implementation of .NET runtime, regardless if there exists OS-specific ASF build for it, or not.

It's not recommended to use generic flavour if you're casual or even advanced user that just wants to make ASF work and not dig into .NET technical details. In other words - if you know what this is, you can use it, otherwise it's much better to use OS-specific package explained below.

.NET Framework package

In addition to generic package mentioned above, there is also generic-netf package which is built on top of .NET Framework and not .NET (Core). This package is a legacy variant that provides missing compatibility known from ASF V2 times, and can be run e.g. with Mono, while .NET generic package can't as of today.

In general you should avoid this package as much as possible, as majority of operating systems and setups are perfectly (and much better) supported with generic package mentioned above. In fact, this package makes sense to be used only on platforms that lack working .NET runtime, while having working Mono implementation. Examples of such platforms include linux-x86 (32-bit i386/i686 linux), as well as linux-armel (ARMv6 boards found e.g. in Raspberry Pi 0 & 1), all of which do not have official working .NET runtime as of today.

As the time goes on with more platforms being supported by .NET and less compatibility between .NET Framework and .NET, generic-netf package will be entirely replaced with generic one in the future. Please refrain from using it if you can use any .NET package instead, as generic-netf is missing a lot of functionality and compatibility compared to .NET versions, and it'll be only less functional as the time goes on. We offer support for this package only on machines that can't use generic variant above (e.g. linux-x86), and only with up-to-date runtime (e.g. latest Mono).

OS-specific

OS-specific package, apart from managed code included in generic package, also includes native code for given platform. In other words, OS-specific package already includes proper .NET runtime inside, which allows you to entirely skip the whole installation mess and just launch ASF directly. OS-specific package, as you can guess from the name, is OS-specific and every OS requires its own version - for example Windows requires PE32+ ArchiSteamFarm.exe binary while Linux works with Unix ELF ArchiSteamFarm binary. As you may know, those two types are not compatible with each other.

ASF is currently available in following OS-specific variants:

win-x64 works on 64-bit Windows OSes. This includes Windows 7 SP1+, 8.1, 10, 11, Server 2012+ as well as future versions. Windows 7 requires generic variant and its support is very limited, you may have issues running ASF in that environment. We strongly recommend an update soon, as future versions of ASF are likely to stop working altogether with it, not to mention that the OS reached its end of life back in 2020.
linux-arm works on 32-bit ARM-based (ARMv7+) GNU/Linux OSes. This includes platforms such as Raspberry Pi 2 (and newer) with all GNU/Linux OSes available for them (such as Raspberry Pi OS), in current and future versions. This variant will not work with older ARM architectures, such as ARMv6 found in Raspberry Pi 0 & 1, it will also not work with OSes that do not implement required GNU/Linux environment (such as Android).
linux-arm64 works on 64-bit ARM-based (ARMv8+) GNU/Linux OSes. This includes platforms such as Raspberry Pi 3 (and newer) with all AArch64 GNU/Linux OSes available for them (such as Debian), in current and future versions. This variant will not work with 32-bit OSes that do not have required 64-bit libraries available (such as Raspberry Pi OS), it will also not work with OSes that do not implement required GNU/Linux environment (such as Android).
linux-x64 works on 64-bit GNU/Linux OSes. This includes Alpine, CentOS/Fedora/RHEL, Debian/Ubuntu, OpenSUSE/SLES and many other ones, including their derivatives, in current and future versions.
osx-arm64 works on 64-bit ARM-based (Apple silicon) OS X OSes. This includes version 11, as well as future ones.
osx-x64 works on 64-bit OS X OSes. This includes version 10.15, as well as future ones.

Of course, even if you don't have OS-specific package available for your OS-architecture combination, you can always install appropriate .NET runtime yourself and run generic ASF flavour, which is also the main reason why it exists in the first place. Generic ASF build is platform-agnostic and will run on any platform that has a working .NET runtime. This is important to note - ASF requires .NET runtime, not some specific OS or architecture. For example, if you're running 32-bit Windows then despite of no dedicated win-x86 ASF version, you can still install .NET SDK in win-x86 version and run generic ASF just fine. We simply can't target every OS-architecture combination that exists and is used by somebody, so we have to draw a line somewhere. x86 is a good example of that line, as it's obsolete architecture since at least 2004.

For a complete list of all supported platforms and OSes by .NET 6.0, visit release notes.

Runtime requirements

If you're using OS-specific package then you don't need to worry about runtime requirements, because ASF always ships with required and up-to-date runtime that will work properly as long as you have .NET prerequisites installed and up-to-date. In other words, you don't need to install .NET runtime or SDK, as OS-specific builds require only native OS dependencies (prerequisites) and nothing else.

However, if you're trying to run generic ASF package then you must ensure that your .NET runtime supports platform required by ASF.

ASF as a program is targeting .NET 6.0 (net6.0) right now, but it may target newer platform in the future. net6.0 is supported since 6.0.100 SDK (6.0.0 runtime), although ASF is configured to prefer latest runtime at the moment of compilation, so you should ensure that you have latest SDK (or at least runtime) available for your machine. Generic ASF variant may refuse to launch if your runtime is older than the specified minimum supported one during compilation.

If in doubt, check what our continuous integration uses for compiling and deploying ASF releases on GitHub. You can find dotnet --info output in every build as part of .NET verification step.