# Crate Features
✔️ All windows version related features are enabled by default.<br>
❌ All crate interop features are disabled by default.
| | **Interop with standard crates.**
| ✔️ alloc | Gate new exposure of <code>[alloc]</code>. <br> Sadly, <code>extern crate [alloc]</code> is required even without the feature.
| ✔️ std | Use <code>extern crate [std]</code>. <br> Currently, this just controls the implementation of thread local storage implementing [Git].
| | **Expose APIs by required windows version.** Highest version wins.
| ✔️ windows-latest | Enable APIs that require the most recent version of Windows
| ✔️ windows-10 |
| ✔️ windows-8-1 | Enable APIs that require Windows 8.1 or later ([Agile])
| ✔️ windows-8 |
| ✔️ windows-7 |
| ✔️ windows-vista |
| ✔️ windows-xp |
| ✔️ windows-2000 | Enable APIs that require Windows 2000 or later (most of this crate)
| | **Expose APIs by windows environment.** Recommend picking one at a time.
| ✔️ winapi-family-all | Enable APIs available to absolutely everything at once
| ✔️ winapi-family-desktop-app | Enable APIs available to Desktop-only non-store apps
| ✔️ winapi-family-pc-app | Enable APIs available to Desktop-only store apps
| ✔️ winapi-family-phone-app | Enable APIs available to Phone-only apps
| ✔️ winapi-family-system | Enable APIs available to Drivers and Tools
| ✔️ winapi-family-server | Enable APIs available to Windows Server applications
| ✔️ winapi-family-games | Enable APIs available to Games and Applications
| | **Interop with "peer" crates.**
| ❌ com-0-3 | <code>[com] = "0.3"</code> interop (convert between [Rc]<[IUnknown]> ⮀ [com::interfaces::IUnknown])
| ❌ wio-0-2 | <code>[wio] = "0.2"</code> interop (convert between [Rc] ⮀ [wio::com::ComPtr])
[alloc]: https://doc.rust-lang.org/alloc/
[std]: https://doc.rust-lang.org/std/
[com]: https://docs.rs/com/0.3/
[wio]: https://docs.rs/wio/0.2/
[IUnknown]: https://learn.microsoft.com/en-us/windows/win32/api/unknwn/nn-unknwn-iunknown
[com::interfaces::IUnknown]: https://docs.rs/com/0.3/com/interfaces/struct.IUnknown.html
[wio::com::ComPtr]: https://docs.rs/wio/0.2/x86_64-pc-windows-msvc/wio/com/struct.ComPtr.html