diff --git a/core/i18n.py b/core/i18n.py
index 16c3c4d..b50fe4c 100644
--- a/core/i18n.py
+++ b/core/i18n.py
@@ -390,6 +390,10 @@ _EN = {
     "s3_uploading_n": "Uploading {count} files...",
     "s3_uploaded_n": "Uploaded {count} files",
     "s3_upload_partial": "Uploaded {ok}/{total} files",
+    "s3_copy_link": "Copy Link",
+    "s3_generating_link": "Generating link...",
+    "s3_link_copied": "Link copied to clipboard",
+    "s3_link_failed": "Failed to generate link",
 
     # Grafana tab
     "grafana_refresh": "Refresh",
@@ -892,6 +896,10 @@ _RU = {
     "s3_uploading_n": "Загрузка {count} файлов...",
     "s3_uploaded_n": "Загружено {count} файлов",
     "s3_upload_partial": "Загружено {ok}/{total} файлов",
+    "s3_copy_link": "Копировать ссылку",
+    "s3_generating_link": "Генерация ссылки...",
+    "s3_link_copied": "Ссылка скопирована",
+    "s3_link_failed": "Ошибка генерации ссылки",
 
     # Grafana tab
     "grafana_refresh": "Обновить",
@@ -1394,6 +1402,10 @@ _ZH = {
     "s3_uploading_n": "正在上传 {count} 个文件...",
     "s3_uploaded_n": "已上传 {count} 个文件",
     "s3_upload_partial": "已上传 {ok}/{total} 个文件",
+    "s3_copy_link": "复制链接",
+    "s3_generating_link": "生成链接中...",
+    "s3_link_copied": "链接已复制",
+    "s3_link_failed": "生成链接失败",
 
     # Grafana tab
     "grafana_refresh": "刷新",
diff --git a/core/s3_client.py b/core/s3_client.py
index fcff6f8..6f052c7 100644
--- a/core/s3_client.py
+++ b/core/s3_client.py
@@ -277,6 +277,26 @@ class S3Client:
             log.error("S3 delete failed: %s", exc)
             return False
 
+    def generate_presigned_url(self, bucket: str, key: str,
+                               expires_in: int = 3600) -> str | None:
+        """Generate a presigned download URL for an object.
+
+        expires_in: URL lifetime in seconds (default 1 hour).
+        Returns URL string or None on failure.
+        """
+        if not self._ensure_connected():
+            return None
+        try:
+            url = self._client.generate_presigned_url(
+                "get_object",
+                Params={"Bucket": bucket, "Key": key},
+                ExpiresIn=expires_in,
+            )
+            return url
+        except Exception as exc:
+            log.error("S3 presigned URL failed: %s", exc)
+            return None
+
     def get_object_size(self, bucket: str, key: str) -> int:
         """Get size of an object in bytes."""
         if not self._ensure_connected():
diff --git a/gui/tabs/s3_tab.py b/gui/tabs/s3_tab.py
index 8387b21..a795063 100644
--- a/gui/tabs/s3_tab.py
+++ b/gui/tabs/s3_tab.py
@@ -7,6 +7,7 @@ import os
 import sys
 import tempfile
 import threading
+import tkinter as tk
 from tkinter import ttk, filedialog
 
 import customtkinter as ctk
@@ -205,6 +206,23 @@ class S3Tab(ctk.CTkFrame):
         # Double-click to enter prefix (folder) or download file
         self._tree.bind("<Double-1>", self._on_double_click)
 
+        # Right-click context menu
+        self._ctx_menu = tk.Menu(self._tree, tearoff=0)
+        self._ctx_menu.add_command(
+            label=icon_text("copy", t("s3_copy_link")),
+            command=self._copy_link,
+        )
+        self._ctx_menu.add_command(
+            label=icon_text("download", t("s3_download")),
+            command=self._download,
+        )
+        self._ctx_menu.add_separator()
+        self._ctx_menu.add_command(
+            label=icon_text("delete", t("s3_delete")),
+            command=self._delete,
+        )
+        self._tree.bind("<Button-3>", self._on_right_click)
+
         # Dark treeview style
         style = ttk.Style()
         style.configure("Dark.Treeview",
@@ -460,6 +478,53 @@ class S3Tab(ctk.CTkFrame):
             # Double-click file = download
             self._download()
 
+    def _on_right_click(self, event):
+        """Show context menu on right-click."""
+        item_id = self._tree.identify_row(event.y)
+        if not item_id:
+            return
+        self._tree.selection_set(item_id)
+        # Check if it's a file (not a folder)
+        item = self._tree.item(item_id)
+        name = item["values"][0] if item["values"] else ""
+        if not isinstance(name, str):
+            name = str(name)
+        is_folder = name.endswith("/")
+        # Enable/disable menu items based on type
+        self._ctx_menu.entryconfigure(0, state="normal" if not is_folder else "disabled")  # Copy link
+        self._ctx_menu.entryconfigure(1, state="normal" if not is_folder else "disabled")  # Download
+        self._ctx_menu.entryconfigure(3, state="normal" if not is_folder else "disabled")  # Delete
+        self._ctx_menu.tk_popup(event.x_root, event.y_root)
+
+    def _copy_link(self):
+        """Generate presigned URL and copy to clipboard."""
+        sel = self._tree.selection()
+        if not sel or not self._client or not self._current_bucket:
+            return
+        item = self._tree.item(sel[0])
+        name = item["values"][0] if item["values"] else ""
+        if not isinstance(name, str):
+            name = str(name)
+        if name.endswith("/"):
+            return
+
+        key = self._current_prefix + name
+        self._status_label.configure(text=t("s3_generating_link"))
+
+        def _do():
+            url = self._client.generate_presigned_url(self._current_bucket, key)
+            self.after(0, lambda: self._on_link_ready(url))
+
+        threading.Thread(target=_do, daemon=True).start()
+
+    def _on_link_ready(self, url: str | None):
+        if url:
+            self.clipboard_clear()
+            self.clipboard_append(url)
+            self._status_label.configure(text=t("s3_link_copied"))
+        else:
+            self._status_label.configure(text=t("s3_link_failed"))
+
     def _go_back(self):
         if self._nav_stack:
             self._current_prefix = self._nav_stack.pop()
diff --git a/releases/ServerManager-v1.9.2-win-x64.exe b/releases/ServerManager-v1.9.2-win-x64.exe
new file mode 100644
index 0000000..1536f79
Binary files /dev/null and b/releases/ServerManager-v1.9.2-win-x64.exe differ
diff --git a/version.py b/version.py
index 69751a3..a866cfb 100755
--- a/version.py
+++ b/version.py
@@ -1,6 +1,6 @@
 """Version info for ServerManager."""
 
-__version__ = "1.9.1"
+__version__ = "1.9.2"
 __app_name__ = "ServerManager"
 __author__ = "aibot777"
 __description__ = "Desktop GUI for managing remote servers"