diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index 09e55e93..da9352e4 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -47,11 +47,16 @@ jobs:
       - name: Build release
         run: |
           nix build .#cross-${{ matrix.target }}
-          nix run .#cross-${{ matrix.target }} -- --version
-      - name: Upload release artifacts
+      - name: Upload release
         uses: actions/upload-artifact@v4
         with:
           name: "himalaya-${{ matrix.target }}"
           path: |
             result/bin/himalaya*
-            result/bin/share
+      - name: Upload share folder
+        uses: actions/upload-artifact@v4
+        if: matrix.target == "x86_64-linux"
+        with:
+          name: "share"
+          path: |
+            result/share
diff --git a/assets/himalaya.desktop b/assets/himalaya.desktop
index c5ed6aa6..c3b0f9ff 100644
--- a/assets/himalaya.desktop
+++ b/assets/himalaya.desktop
@@ -3,7 +3,7 @@ Type=Application
 Name=himalaya
 DesktopName=Himalaya
 GenericName=Mail Reader
-Comment=Command-line interface for email management
+Comment=CLI to manage emails
 Terminal=true
 Exec=himalaya %U
 Categories=Application;Network
@@ -13,4 +13,4 @@ Actions=Compose
 
 [Desktop Action Compose]
 Name=Compose
-Exec=himalaya write %U
+Exec=himalaya message write %U
diff --git a/default.nix b/default.nix
index 35f513d7..f584522b 100644
--- a/default.nix
+++ b/default.nix
@@ -28,18 +28,12 @@ let
     '';
   };
 
-  himalayaExe =
-    let ext = lib.optionalString hostPlatform.isWindows ".exe";
-    in "${hostPlatform.emulator pkgs} ./himalaya${ext}";
-
   himalaya = import ./package.nix {
     inherit lib rustPlatform;
     fetchFromGitHub = crossPkgs.fetchFromGitHub;
     stdenv = crossPkgs.stdenv;
     apple-sdk = if hostPlatform.isx86_64 then crossPkgs.apple-sdk_13 else crossPkgs.apple-sdk_14;
-    installShellFiles = false;
-    installShellCompletions = false;
-    installManPages = false;
+    installShellFiles = crossPkgs.installShellFiles;
     notmuch = crossPkgs.notmuch;
     gpgme = crossPkgs.gpgme;
     pkg-config = crossPkgs.pkg-config;
@@ -54,29 +48,7 @@ himalaya.overrideAttrs (drv: {
   propagatedBuildInputs = (drv.propagatedBuildInputs or [ ])
     ++ lib.optional hostPlatform.isWindows empty-libgcc_eh;
 
-  # NOTE: manual wineprefix update is somehow needed:
-  # <https://github.com/NixOS/nixpkgs/issues/321332>
-  postInstall = (drv.postInstall or "") + lib.optionalString hostPlatform.isWindows ''
-    export WINEPREFIX="$(${lib.getExe mktemp} -d)"
-  '' + ''
-    mkdir -p $out/bin/share/{applications,completions,man,services}
-    cp assets/himalaya.desktop $out/bin/share/applications/
-    cp assets/himalaya-watch@.service $out/bin/share/services/
-
-    cd $out/bin
-    ${himalayaExe} man ./share/man
-    ${himalayaExe} completion bash > ./share/completions/himalaya.bash
-    ${himalayaExe} completion elvish > ./share/completions/himalaya.elvish
-    ${himalayaExe} completion fish > ./share/completions/himalaya.fish
-    ${himalayaExe} completion powershell > ./share/completions/himalaya.powershell
-    ${himalayaExe} completion zsh > ./share/completions/himalaya.zsh
-
-    ${lib.getExe gnutar} -czf himalaya.tgz himalaya* share
-    mv himalaya.tgz ../
-
-    ${lib.getExe zip} -r himalaya.zip himalaya* share
-    mv himalaya.zip ../
-  '';
+  postInstall = null;
 
   src = crossPkgs.nix-gitignore.gitignoreSource [ ] ./.;
 
diff --git a/package.nix b/package.nix
index f557e616..e4c6d131 100644
--- a/package.nix
+++ b/package.nix
@@ -28,12 +28,6 @@ rustPlatform.buildRustPackage rec {
 
   cargoHash = "sha256-YS8IamapvmdrOPptQh2Ef9Yold0IK1XIeGs0kDIQ5b8=";
 
-  doCheck = false;
-  auditable = false;
-
-  # unit tests only
-  cargoTestFlags = [ "--lib" ];
-
   nativeBuildInputs = [ pkg-config ]
     ++ lib.optional (installManPages || installShellCompletions) installShellFiles;
 
@@ -42,15 +36,31 @@ rustPlatform.buildRustPackage rec {
     ++ lib.optional (builtins.elem "notmuch" buildFeatures) notmuch
     ++ lib.optional (builtins.elem "pgp-gpg" buildFeatures) gpgme;
 
-  postInstall = lib.optionalString installManPages ''
-    mkdir -p $out/man
-    $out/bin/himalaya man $out/man
-    installManPage $out/man/*
+  doCheck = false;
+  auditable = false;
+
+  # unit tests only
+  cargoTestFlags = [ "--lib" ];
+
+  preInstall = ''
+    mkdir -p $out/share/applications
+    cp assets/himalaya.desktop "$out"/share/applications/
+  '' + lib.optionalString installManPages ''
+    mkdir -p "$out"/share/man
+    "$out"/bin/himalaya man "$out"/share/man
   '' + lib.optionalString installShellCompletions ''
-    installShellCompletion --cmd himalaya \
-      --bash <($out/bin/himalaya completion bash) \
-      --fish <($out/bin/himalaya completion fish) \
-      --zsh <($out/bin/himalaya completion zsh)
+    mkdir -p "$out"/share/completions
+    "$out"/bin/himalaya completion bash > "$out"/share/completions/himalaya.bash
+    "$out"/bin/himalaya completion elvish > "$out"/share/completions/himalaya.elvish
+    "$out"/bin/himalaya completion fish > "$out"/share/completions/himalaya.fish
+    "$out"/bin/himalaya completion powershell > "$out"/share/completions/himalaya.powershell
+    "$out"/bin/himalaya completion zsh > "$out"/share/completions/himalaya.zsh
+  '';
+
+  postInstall = lib.optionalString installManPages ''
+    installManPage "$out"/share/man/*
+  '' + lib.optionalString installShellCompletions ''
+    installShellCompletion "$out"/share/completions/himalaya.{bash,fish,zsh}
   '';
 
   meta = {