diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..fa1130c
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,141 @@
+#!/bin/sh
+
+API_URL="https://api.github.com/repos/shtorm-7/sing-box-extended/releases/latest"
+ARCHIVE_NAME="sing-box-latest.tar.gz"
+DEST_FILE="/usr/bin/sing-box"
+
+R="\033[1;31m"
+G="\033[1;32m"
+Y="\033[1;33m"
+C="\033[1;36m"
+N="\033[0m"
+
+fail() {
+    printf "${R}[!] ОШИБКА: %s${N}\n" "$1"
+    [ -n "$WORK_DIR" ] && rm -rf "$WORK_DIR"
+    [ "$SERVICE_STOPPED" = "1" ] && service "$SERVICE_NAME" start 2>/dev/null
+    exit 1
+}
+
+if command -v curl >/dev/null 2>&1; then
+    FETCH="curl -fsSL --insecure"
+    DOWNLOAD="curl -fsSL --insecure -o"
+elif command -v wget >/dev/null 2>&1; then
+    FETCH="wget -qO- --no-check-certificate"
+    DOWNLOAD="wget -q --no-check-certificate -O"
+else
+    printf "${R}[!] ОШИБКА: Не найден curl или wget.${N}\n"
+    exit 1
+fi
+
+if [ -f "/opt/etc/init.d/podkop" ] || [ -f "/etc/init.d/podkop" ]; then
+    SERVICE_NAME="podkop"
+else
+    SERVICE_NAME="sing-box"
+fi
+HOST_ARCH=$(uname -m)
+
+case $HOST_ARCH in
+  aarch64)                ARCH_SUFFIX="arm64" ;;
+  armv7*)                 ARCH_SUFFIX="armv7" ;;
+  armv6*)                 ARCH_SUFFIX="armv6" ;;
+  x86_64)                 ARCH_SUFFIX="amd64" ;;
+  i386 | i686)            ARCH_SUFFIX="386" ;;
+  mips)                   ARCH_SUFFIX="mips-softfloat" ;;
+  mipsel | mipsle)        ARCH_SUFFIX="mipsle-softfloat" ;;
+  mips64)                 ARCH_SUFFIX="mips64" ;;
+  mips64el | mips64le)    ARCH_SUFFIX="mips64le" ;;
+  riscv64)                ARCH_SUFFIX="riscv64" ;;
+  s390x)                  ARCH_SUFFIX="s390x" ;;
+  *)
+    printf "${R}[!] ОШИБКА: Архитектура $HOST_ARCH не поддерживается.${N}\n"
+    exit 1
+    ;;
+esac
+
+CURRENT_VER=""
+if [ -f "$DEST_FILE" ]; then
+    CURRENT_VER=$("$DEST_FILE" version 2>/dev/null | head -n 1 | awk '{print $NF}') || true
+fi
+
+printf "${C}[*] Проверяю обновления...${N}\n"
+API_RESPONSE=$($FETCH "$API_URL" 2>/dev/null) || true
+
+if [ -z "$API_RESPONSE" ]; then
+    fail "Не удалось подключиться к GitHub API. Проверьте соединение."
+fi
+
+LATEST_TAG=$(echo "$API_RESPONSE" | tr ',' '\n' | grep '"tag_name"' | head -n 1 | awk -F '"' '{print $4}')
+LATEST_VER=$(echo "$LATEST_TAG" | sed 's/^v//')
+
+printf "${C}[*] Текущая: ${Y}${CURRENT_VER:-не установлен}${C} | Последняя: ${Y}${LATEST_VER:-неизвестно}${N}\n"
+
+if [ -n "$CURRENT_VER" ] && [ -n "$LATEST_VER" ] && [ "$CURRENT_VER" = "$LATEST_VER" ]; then
+    printf "${G}[+] Уже установлена последняя версия. Обновление не требуется.${N}\n"
+    exit 0
+fi
+
+FILE_PATTERN="linux-$ARCH_SUFFIX.tar.gz"
+
+DOWNLOAD_URL=$(echo "$API_RESPONSE" \
+  | tr ',' '\n' \
+  | grep "browser_download_url" \
+  | grep "$FILE_PATTERN" \
+  | head -n 1 \
+  | awk -F '"' '{print $4}')
+
+if [ -z "$DOWNLOAD_URL" ]; then
+    fail "Файл для архитектуры '$HOST_ARCH' ($ARCH_SUFFIX) не найден."
+fi
+
+sync
+echo 3 > /proc/sys/vm/drop_caches 2>/dev/null || true
+
+FREE_RAM_KB=$(awk '/MemFree/ {print $2}' /proc/meminfo)
+
+if [ "$FREE_RAM_KB" -gt 81920 ]; then
+    WORK_DIR="/tmp/sing-box-install"
+else
+    WORK_DIR="$HOME/sing-box-install_tmp"
+fi
+
+rm -rf "$WORK_DIR"
+mkdir -p "$WORK_DIR"
+cd "$WORK_DIR"
+
+printf "${C}[*] Скачиваю и устанавливаю...${N}\n"
+$DOWNLOAD "$ARCHIVE_NAME" "$DOWNLOAD_URL" || fail "Не удалось скачать файл."
+
+if [ ! -s "$ARCHIVE_NAME" ]; then
+    fail "Скачанный файл пустой."
+fi
+
+SERVICE_STOPPED="1"
+service "$SERVICE_NAME" stop 2>/dev/null || true
+sleep 2
+
+sync
+echo 3 > /proc/sys/vm/drop_caches 2>/dev/null || true
+
+tar -xzf "$ARCHIVE_NAME" || fail "Не удалось распаковать архив."
+rm -f "$ARCHIVE_NAME"
+
+BINARY_PATH=$(find . -type f -name sing-box | head -n 1)
+
+if [ -z "$BINARY_PATH" ]; then
+    fail "Бинарник не найден в архиве."
+fi
+
+mv -f "$BINARY_PATH" "$DEST_FILE" || fail "Не удалось заменить файл."
+chmod +x "$DEST_FILE"
+
+NEW_VERSION=$("$DEST_FILE" version 2>/dev/null | head -n 1 | awk '{print $NF}') || true
+
+cd /
+rm -rf "$WORK_DIR"
+WORK_DIR=""
+
+SERVICE_STOPPED=""
+service "$SERVICE_NAME" start
+
+printf "${G}[+] Готово: ${Y}${CURRENT_VER:-н/д}${G} -> ${Y}${NEW_VERSION:-н/д}${N}\n"