diff --git a/Cargo.lock b/Cargo.lock
index 986a90e8a..628fd6797 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,3 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
 [[package]]
 name = "backtrace"
 version = "0.3.9"
@@ -7,7 +9,7 @@ dependencies = [
  "cfg-if 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -39,6 +41,7 @@ dependencies = [
  "rustc_version 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -100,7 +103,7 @@ dependencies = [
 
 [[package]]
 name = "winapi"
-version = "0.3.5"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -131,6 +134,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "736b60249cb25337bc196faa43ee12c705e426f3d55c214d73a4e7be06f92cb4"
-"checksum winapi 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "773ef9dcc5f24b7d850d0ff101e542ff24c3b090a9768e03ff889fdef41f00fd"
+"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index ad701702b..4c97aea42 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,3 +16,6 @@ libc = "0.2.18"
 rustc_version = "0.2.1"
 semver = "0.9.0"
 toml = "0.2.1"
+
+[target.'cfg(windows)'.dependencies]
+winapi = { version = "0.3.7", features = ["winbase"] }
\ No newline at end of file
diff --git a/src/id.rs b/src/id.rs
index 56f5f1a75..c4b3f4c56 100644
--- a/src/id.rs
+++ b/src/id.rs
@@ -1,15 +1,56 @@
+#[cfg(not(target_os = "windows"))]
+use libc;
+#[cfg(not(target_os = "windows"))]
 use std::ffi::CStr;
 
-use libc;
+#[cfg(target_os = "windows")]
+pub fn group() -> u32 {
+    1000
+}
 
+#[cfg(not(target_os = "windows"))]
 pub fn group() -> u32 {
     unsafe { libc::getgid() }
 }
 
+#[cfg(target_os = "windows")]
+pub fn user() -> u32 {
+    1000
+}
+
+#[cfg(not(target_os = "windows"))]
 pub fn user() -> u32 {
     unsafe { libc::getuid() }
 }
 
+#[cfg(target_os = "windows")]
+pub fn username() -> String {
+    use std::ptr;
+
+    use winapi::um::winbase::GetUserNameW;
+
+    unsafe {
+        let mut size = 0;
+        GetUserNameW(ptr::null_mut(), &mut size);
+
+        if size == 0 {
+            return "".to_owned()
+        }
+
+        let mut username = Vec::with_capacity(size as usize);
+
+        if GetUserNameW(username.as_mut_ptr(), &mut size) == 0 {
+            return "".to_owned();
+        }
+
+        // Remove trailing space in user name.
+        username.set_len((size - 1) as usize);
+
+        String::from_utf16(&username).unwrap()
+    }
+}
+
+#[cfg(not(target_os = "windows"))]
 pub fn username() -> String {
     unsafe {
         CStr::from_ptr((*libc::getpwuid(user())).pw_name)
diff --git a/src/main.rs b/src/main.rs
index 402f68811..45b59f15d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,9 @@ extern crate rustc_version;
 extern crate semver;
 extern crate toml;
 
+#[cfg(target_os = "windows")]
+extern crate winapi;
+
 mod cargo;
 mod cli;
 mod docker;
@@ -40,6 +43,9 @@ pub enum Host {
 
     // Linux
     X86_64UnknownLinuxGnu,
+
+    // Windows MSVC
+    X86_64PcWindowsMsvc
 }
 
 impl Host {
@@ -51,6 +57,8 @@ impl Host {
             target.map(|t| t.triple() == "i686-apple-darwin" || t.needs_docker()).unwrap_or(false)
         } else if *self == Host::X86_64UnknownLinuxGnu {
             target.map(|t| t.needs_docker()).unwrap_or(true)
+        } else if *self == Host::X86_64PcWindowsMsvc {
+            target.map(|t| t.needs_docker()).unwrap_or(false)
         } else {
             false
         }
@@ -60,7 +68,8 @@ impl Host {
         match *self {
             Host::X86_64AppleDarwin => "x86_64-apple-darwin",
             Host::X86_64UnknownLinuxGnu => "x86_64-unknown-linux-gnu",
-            Host::Other => unimplemented!(),
+            Host::X86_64PcWindowsMsvc => "x86_64-pc-windows-msvc",
+            Host::Other => unimplemented!()
         }
     }
 }
@@ -70,6 +79,7 @@ impl<'a> From<&'a str> for Host {
         match s {
             "x86_64-apple-darwin" => Host::X86_64AppleDarwin,
             "x86_64-unknown-linux-gnu" => Host::X86_64UnknownLinuxGnu,
+            "x86_64-pc-windows-msvc" => Host::X86_64PcWindowsMsvc,
             _ => Host::Other,
         }
     }
@@ -161,7 +171,8 @@ impl From<Host> for Target {
         match host {
             Host::X86_64UnknownLinuxGnu => Target::new_built_in("x86_64-unknown-linux-gnu"),
             Host::X86_64AppleDarwin => Target::new_built_in("x86_64-apple-darwin"),
-            Host::Other => unreachable!(),
+            Host::X86_64PcWindowsMsvc => Target::new_built_in("x86_64-pc-windows-msvc"),
+            Host::Other => unimplemented!(),
         }
     }
 }