diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3efdf72..c04a31a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -52,13 +52,11 @@ jobs:
           # -- install.sh helper (uploaded to the release, also served at /install.sh)
           cp web/install.sh out/install.sh
 
-          # -- Windows: ZIP + self-extracting installer (embeds pmm.exe)
+          # -- Windows: ZIP (the EXE setup wizard is a separate .NET build,
+          #    see win/installer/ — needs a Windows runner so it's built there)
           if [ -f out/pmm.exe ]; then
             ( cd out && zip -q "pmm-${VER}-windows-amd64.zip" pmm.exe )
-            xxd -i -n pmm_payload out/pmm.exe > payload.h
-            x86_64-w64-mingw32-gcc -O2 -I . -DPMM_SETUP_VER=\"$VER\" \
-              -o "out/pmm-setup-${VER}.exe" src/win_setup.c -luser32 -ladvapi32
-            rm -f payload.h
+            cp web/downloads/pmm-${VER}-windows-amd64.zip out/ 2>/dev/null || true
           fi
 
           # -- Linux: .deb
diff --git a/src/win_setup.c b/src/win_setup.c
deleted file mode 100644
index c1d3642..0000000
--- a/src/win_setup.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* win_setup.c — minimal self-extracting installer for pmm.exe (built by CI).
- *
- * The pmm.exe payload is embedded as pmm_payload[] / pmm_payload_len (a header
- * generated from `xxd -i out/pmm.exe`, with the symbols renamed at build time).
- * On run it writes pmm.exe to %LOCALAPPDATA%\PMM\bin and adds that dir to PATH.
- *
- * Build (cross, on the ubuntu runner):
- *   x86_64-w64-mingw32-gcc -O2 -o out/pmm-setup.exe src/win_setup.c \
- *       -I. -luser32 -ladvapi32 -lopengl32  (payload.h on include path)
- */
-#include <windows.h>
-#include <stdio.h>
-#include <string.h>
-#include "payload.h"
-
-/* Add `dir` to HKCU\Environment\Path if not already present (user-level PATH,
- * no admin needed — mirrors a lightweight, .NET-style install). */
-static void add_to_path(const char *dir) {
-    HKEY key;
-    char cur[32768]; DWORD sz = sizeof(cur); DWORD type = REG_SZ;
-    const char *needle = dir;
-
-    if (RegOpenKeyExA(HKEY_CURRENT_USER, "Environment", 0, KEY_READ, &key) == ERROR_SUCCESS) {
-        DWORD t = 0;
-        if (RegQueryValueExA(key, "Path", 0, &t, (BYTE *)cur, &sz) != ERROR_SUCCESS) {
-            cur[0] = 0; sz = 0; t = REG_SZ;
-        }
-        RegCloseKey(key);
-    } else {
-        cur[0] = 0; sz = 0;
-    }
-    if (strstr(cur, needle)) return;              /* already there */
-
-    char bump[1] = ";";
-    char next[65536];
-    if (sz == 0 || cur[0] == 0) bump[0] = 0;
-    /* normalize sep: if entry exists and doesn't end with ';', add one */
-    _snprintf(next, sizeof(next), "%s%s%s", cur, (cur[0] && cur[strlen(cur)-1]!=';' ? ";" : bump), dir);
-
-    if (RegOpenKeyExA(HKEY_CURRENT_USER, "Environment", 0, KEY_SET_VALUE, &key) != ERROR_SUCCESS)
-        return;
-    RegSetValueExA(key, "Path", 0, REG_EXPAND_SZ, (const BYTE *)next, (DWORD)strlen(next) + 1);
-    RegCloseKey(key);
-    /* broadcast so new shells pick it up */
-    SendMessageTimeoutA(HWND_BROADCAST, WM_SETTINGCHANGE, 0,
-                        (LPARAM)"Environment", SMTO_ABORTIFHUNG, 5000, NULL);
-}
-
-static void make_dirs(const char *path) {
-    char tmp[4096];
-    _snprintf(tmp, sizeof(tmp), "%s", path);
-    for (char *p = tmp + 1; *p; p++)
-        if (*p == '\\') { *p = 0; CreateDirectoryA(tmp, NULL); *p = '\\'; }
-    CreateDirectoryA(tmp, NULL);
-}
-
-int main(void) {
-    char dir[MAX_PATH];
-    DWORD n = GetEnvironmentVariableA("LOCALAPPDATA", dir, sizeof(dir));
-    if (n == 0 || n >= sizeof(dir)) {
-        GetModuleFileNameA(NULL, dir, sizeof(dir));
-        char *s = strrchr(dir, '\\'); if (s) *s = 0;
-        _snprintf(dir + strlen(dir), sizeof(dir) - strlen(dir), "\\PMM\\bin");
-    } else {
-        _snprintf(dir + strlen(dir), sizeof(dir) - strlen(dir), "\\PMM\\bin");
-    }
-    make_dirs(dir);
-
-    char dest[MAX_PATH];
-    _snprintf(dest, sizeof(dest), "%s\\pmm.exe", dir);
-    FILE *f = fopen(dest, "wb");
-    if (!f) { printf("PMM: cannot write %s\n", dest); return 1; }
-    if (fwrite(pmm_payload, 1, pmm_payload_len, f) != pmm_payload_len) {
-        fclose(f); printf("PMM: write failed\n"); return 1;
-    }
-    fclose(f);
-
-    add_to_path(dir);
-    printf("PMM %s installed to %s\n", PMM_SETUP_VER, dest);
-    printf("PATH updated. Open a NEW terminal and run:  pmm -v\n");
-    return 0;
-}
diff --git a/web/index.php b/web/index.php
index fb8979e..8771346 100644
--- a/web/index.php
+++ b/web/index.php
@@ -148,7 +148,7 @@ for ($r = 0; $r < $ROWS; $r++)
       <button class="tab" data-tab="macos">macOS</button>
     </div>
     <div class="code-box" data-pane="win" data-active="1">
-      <pre><code># ZIP 下载（解压即用，pmm.exe 在压缩包内）
+      <pre><code># ZIP 免安装版（解压即用，pmm.exe 在压缩包内）
 curl -L -o pmm.zip https://pmm.parlz.com/downloads/pmm-<?php echo $VERSION; ?>-windows-amd64.zip
 # 解压后把 pmm.exe 所在目录加入 PATH，然后：
 pmm -v</code></pre>
@@ -179,7 +179,7 @@ pmm -v</code></pre>
     <p class="section-sub">可从官方镜像站或 GitHub Release 获取。镜像地址不变。</p>
     <div class="dl-grid">
       <a class="dl-card" href="downloads/pmm-<?php echo $VERSION; ?>-windows-amd64.zip" download>
-        <span class="dl-os">Windows</span><span class="dl-file">pmm-<?php echo $VERSION; ?>-windows-amd64.zip</span><span class="dl-arrow">↓</span>
+        <span class="dl-os">Windows</span><span class="dl-file">pmm-<?php echo $VERSION; ?>-windows-amd64.zip · 免安装</span><span class="dl-arrow">↓</span>
       </a>
       <a class="dl-card" href="downloads/pmm_<?php echo $VERSION; ?>_amd64.deb" download>
         <span class="dl-os">Linux</span><span class="dl-file">pmm_<?php echo $VERSION; ?>_amd64.deb</span><span class="dl-arrow">↓</span>