diff --git a/README.md b/README.md
index aea7862..cf998bd 100644
--- a/README.md
+++ b/README.md
@@ -8,22 +8,17 @@
 
 ## Requirements
 
-1. **curl** (Is needed for downloading the ffmpeg lib and widevine)
+1. **curl** (is needed for downloading the ffmpeg lib and widevine)
 
-   **unzip** (Is needed for unpacking the downloaded file)
+   **unzip** (is needed for unpacking the downloaded file)
 
-   **git** (Is needed for fetching this script)
+   **git** (is needed for fetching this script)
 
-   **jq** (Is needed for parsing JSON from github)
+   **jq** (is needed for parsing JSON from github)
 
-	For Debian-based systems: `sudo apt install curl unzip git jq`
+2. (*Optional*) **python3-dnf-plugin-post-transaction-actions** (is needed for autoupdate in RedHat-based systems)
 
-	For Arch-based systems: `sudo pacman -S curl unzip git jq`
-
-	For RedHat-based systems: `sudo dnf install curl unzip git jq`
-	
-3. (*Optional*) **python3-dnf-plugin-post-transaction-actions** (Is needed for autoupdate in RedHat-based systems)
-	`dnf install python3-dnf-plugin-post-transaction-actions`
+    The main installer - `install.sh` - auto-detects your distro and installs the both the appropriate and the optional requirements by itself, if they're missing.
 
 ## Usage
 
@@ -39,7 +34,11 @@
 
     `sudo ./scripts/fix-opera.sh`
 
-4. Run install script and answer few questions.
+4. Make install.sh executable
+
+   `chmod +x ./install.sh`
+
+5. Run install script and answer few questions.
 
     `sudo ./install.sh`
 
diff --git a/install.sh b/install.sh
old mode 100755
new mode 100644
index 8fd4620..322613a
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,79 @@
 #!/bin/bash
+
+set -euo pipefail
+
+detect_pkg_manager() {
+    if command -v apt-get >/dev/null 2>&1; then
+        PKG_MGR="apt"
+    elif command -v dnf >/dev/null 2>&1; then
+        PKG_MGR="dnf"
+    elif command -v pacman >/dev/null 2>&1; then
+        PKG_MGR="pacman"
+    elif command -v zypper >/dev/null 2>&1; then
+        PKG_MGR="zypper"
+    elif command -v emerge >/dev/null 2>&1; then
+        PKG_MGR="portage"
+    else
+        PKG_MGR="unknown"
+    fi
+
+    if [[ "$PKG_MGR" == "unknown" ]]; then
+        echo "Unsupported package manager"
+        exit 1
+    fi
+}
+
+install_deps() {
+    DEPS=(curl unzip jq)
+
+    case "$PKG_MGR" in
+        apt)
+            apt-get update
+            apt-get install -y "${DEPS[@]}"
+            ;;
+        dnf)
+            dnf install -y "${DEPS[@]} python3-dnf-plugin-post-transaction-actions"
+            ;;
+        pacman)
+            pacman -Sy --needed --noconfirm "${DEPS[@]}"
+            ;;
+        zypper)
+            zypper install -y "${DEPS[@]}"
+            ;;
+        portage)
+            emerge --ask=n "${DEPS[@]}"
+            ;;
+        *)
+            echo "Unsupported package manager. Install dependencies manually:"
+            echo "  ${DEPS[*]}"
+            exit 1
+            ;;
+    esac
+}
+
+install_hook () {
+    case "$PKG_MGR" in
+        apt)
+            cp -f "$SCRIPT_PATH/scripts/99fix-opera" "$INSTALL_PATH"
+            ln -sf "$INSTALL_PATH/99fix-opera" /etc/apt/apt.conf.d/99fix-opera
+            ;;
+        pacman)
+            cp -f "$SCRIPT_PATH/scripts/fix-opera.hook" "$INSTALL_PATH"
+            ln -sf "$INSTALL_PATH/fix-opera.hook" /usr/share/libalpm/hooks/fix-opera.hook
+            ;;
+        dnf)
+            dnf install -y python3-dnf-plugin-post-transaction-actions
+            cp -f "$SCRIPT_PATH/scripts/fix-opera.action" "$INSTALL_PATH"
+            ln -sf "$INSTALL_PATH/fix-opera.action" \
+                /etc/dnf/plugins/post-transaction-actions.d/fix-opera.action
+            ;;
+        *)
+            echo "Automatic hook installation not supported for this system."
+            return 1
+            ;;
+    esac
+}
+
 if [[ $(whoami) != "root" ]]; then
 	printf 'Try to run it with sudo\n'
 	exit 1
@@ -9,72 +84,34 @@ if [[ $(uname -m) != "x86_64" ]]; then
 	exit 1
 fi
 
-if ! which unzip > /dev/null; then
-	printf '\033[1munzip\033[0m package must be installed to run this script\n'
-	exit 1
-fi
-
-if ! which curl > /dev/null; then
-	printf '\033[1mcurl\033[0m package must be installed to run this script\n'
-	exit 1
-fi
-
-if ! which jq > /dev/null; then
-	printf '\033[1mjq\033[0m package must be installed to run this script\n'
-	exit 1
-fi
-
 readonly SCRIPT_PATH=$(dirname $(readlink -f $0))
 readonly INSTALL_PATH="/root/.scripts"
-readonly USER_NAME="$(logname)"
-readonly USER_HOME=$(sudo -u $USER_NAME sh -c 'echo $HOME')
-
-create_hook ()
-{
-	printf 'Choose your Linux distro:\n'
-	printf '	1. Debian-based (Debian/Ubuntu/Mint/etc.)\n'
-	printf '	2. Arch-based (Arch/Manjaro/etc.)\n'
-	printf '	3. RedHat-based (RedHat/Fedora/etc.)\n'
-	printf '	0. Other\n'
-	while read -p "Your choice: " DISTRIB; do
-		case $DISTRIB in
-			"1" )
-				cp -f $SCRIPT_PATH/scripts/99fix-opera $INSTALL_PATH
-				ln -sf $INSTALL_PATH/99fix-opera /etc/apt/apt.conf.d/
-				printf 'Now the script will run automatically every time apt installs or updates Opera.\n'
-				break;;
-			"2" )
-				cp -f $SCRIPT_PATH/scripts/fix-opera.hook $INSTALL_PATH
-				ln -sf $INSTALL_PATH/fix-opera.hook /usr/share/libalpm/hooks/
-				printf 'Now the script will run automatically every time pacman installs or updates Opera.\n'
-				break;;
-			"3" )
-				dnf install python3-dnf-plugin-post-transaction-actions -y
-				cp -f $SCRIPT_PATH/scripts/fix-opera.action $INSTALL_PATH
-				ln -sf $INSTALL_PATH/fix-opera.action /etc/dnf/plugins/post-transaction-actions.d/
-				printf 'Now the script will run automatically every time dnf installs or updates Opera.\n'
-				break;;
-			"0" )
-				printf "Autostart for your Linux distro is currently unsupported\n"
-				break;;
-			*   )
-				continue;;
-		esac
-	done
-}
+readonly USER_NAME="${SUDO_USER:-$(logname)}"
+readonly USER_HOME=$(getent passwd "$USER_NAME" | cut -d: -f6)
+mkdir -p $INSTALL_PATH
 
 printf 'Installing script to your system...\n'
 
+detect_pkg_manager
+install_deps
+
+read -p "Enable automatic execution after Opera updates? [y/N] " AUTO
+[[ "$AUTO" =~ ^[Yy]$ ]] && install_hook
+
+mkdir -p "$INSTALL_PATH"
+cp -f "$SCRIPT_PATH/scripts/fix-opera.sh" "$INSTALL_PATH"
+chmod +x "$INSTALL_PATH/fix-opera.sh"
+
 printf 'Would you like to apply Widevine CDM fix? [y/n]'
 while read FIX_WIDEVINE; do
 	case $FIX_WIDEVINE in
 		"y" | "Y")
 			printf 'Setting FIX_WIDEVINE to true...\n'
-			sed -i '/FIX_WIDEVINE=/s/false/true/g' $SCRIPT_PATH/scripts/fix-opera.sh
+			sed -i '/FIX_WIDEVINE=/s/false/true/g' $INSTALL_PATH/fix-opera.sh
 			break;;
 		"n" | "N")
 			printf 'Setting FIX_WIDEVINE to false...\n'
-			sed -i '/FIX_WIDEVINE=/s/true/false/g' $SCRIPT_PATH/scripts/fix-opera.sh
+			sed -i '/FIX_WIDEVINE=/s/true/false/g' $INSTALL_PATH/fix-opera.sh
 			break;;
 		*        )
 			printf 'Would you like to apply Widevine CDM fix? [y/n]'
@@ -82,10 +119,6 @@ while read FIX_WIDEVINE; do
 	esac
 done
 
-mkdir -p $INSTALL_PATH
-cp -f $SCRIPT_PATH/scripts/fix-opera.sh $INSTALL_PATH
-chmod +x $INSTALL_PATH/fix-opera.sh
-
 printf "Would you like to create an alias for user $USER_NAME? [y/n]"
 while read CREATE_ALIAS; do
 	case $CREATE_ALIAS in
@@ -101,20 +134,6 @@ while read CREATE_ALIAS; do
 	esac
 done
 
-printf "Would you like to run it automatically after each Opera update? [y/n]"
-while read CREATE_HOOK; do
-	case $CREATE_HOOK in
-		"y" | "Y")
-			create_hook
-			break;;
-		"n" | "N")
-			break;;
-		*        )
-			printf "Would you like to run it automatically after each Opera update?? [y/n]"
-			continue;;
-	esac
-done
-
 printf "Would you like to run it now? [y/n]"
 while read RUN_NOW; do
 	case $RUN_NOW in
@@ -127,4 +146,4 @@ while read RUN_NOW; do
 			printf "Would you like to run it now? [y/n]"
 			continue;;
 	esac
-done
+done
\ No newline at end of file
diff --git a/scripts/99fix-opera b/scripts/99fix-opera
index e274809..e50bc2b 100644
--- a/scripts/99fix-opera
+++ b/scripts/99fix-opera
@@ -1,2 +1,2 @@
 DPkg::Pre-Invoke {"stat -c %Z $(readlink -f $(which opera)) > /tmp/opera.timestamp  2> /dev/null || echo 0 > /tmp/opera.timestamp";};
-DPkg::Post-Invoke {"set NEW_OPERA=`stat -c %Z $(readlink -f $(which opera))` || exit 0; set OLD_OPERA=`cat /tmp/opera.timestamp` || exit 0; if [ "$NEW_OPERA" != "$OLD_OPERA" ]; then /root/.scripts/fix-opera.sh; fi; rm -f /tmp/opera.timestamp";};
+DPkg::Post-Invoke {"set NEW_OPERA=`stat -c %Z $(readlink -f $(which opera))` || exit 0; set OLD_OPERA=`cat /tmp/opera.timestamp` || exit 0; if [ "$NEW_OPERA" != "$OLD_OPERA" ]; then /root/.scripts/fix-opera.sh; fi; rm -f /tmp/opera.timestamp";};
\ No newline at end of file
diff --git a/scripts/fix-opera.action b/scripts/fix-opera.action
index fd042b7..69d7b7a 100644
--- a/scripts/fix-opera.action
+++ b/scripts/fix-opera.action
@@ -1 +1 @@
-opera-stable:in:/root/.scripts/fix-opera.sh
+opera-stable:in:/root/.scripts/fix-opera.sh
\ No newline at end of file
diff --git a/scripts/fix-opera.hook b/scripts/fix-opera.hook
index 2cff720..abaa300 100644
--- a/scripts/fix-opera.hook
+++ b/scripts/fix-opera.hook
@@ -13,4 +13,4 @@ Depends = bash
 Depends = curl
 Depends = unzip
 Depends = jq
-Exec = /root/.scripts/fix-opera.sh
+Exec = /root/.scripts/fix-opera.sh
\ No newline at end of file
diff --git a/scripts/fix-opera.sh b/scripts/fix-opera.sh
old mode 100755
new mode 100644
index 106a397..6fe5dae
--- a/scripts/fix-opera.sh
+++ b/scripts/fix-opera.sh
@@ -10,22 +10,22 @@ if [[ $(uname -m) != "x86_64" ]]; then
 	exit 1
 fi
 
-if ! which unzip > /dev/null; then
+if ! command -v unzip > /dev/null; then
 	printf '\033[1munzip\033[0m package must be installed to run this script\n'
 	exit 1
 fi
 
-if ! which curl > /dev/null; then
+if ! command -v curl > /dev/null; then
 	printf '\033[1mcurl\033[0m package must be installed to run this script\n'
 	exit 1
 fi
 
-if ! which jq > /dev/null; then
+if ! command -v jq > /dev/null; then
 	printf '\033[1mjq\033[0m package must be installed to run this script\n'
 	exit 1
 fi
 
-if which pacman &> /dev/null; then
+if command -v pacman &> /dev/null; then
 	ARCH_SYSTEM=true
 fi
 
diff --git a/uninstall.sh b/uninstall.sh
index 3af1ea3..0757fe2 100644
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -1,11 +1,61 @@
 #!/bin/bash
+set -euo pipefail
 
-readonly INSTALL_PATH="/root/.scripts"
-readonly USER_NAME="$(logname)"
-readonly USER_HOME=$(sudo -u $USER_NAME sh -c 'echo $HOME')
+#
+# This uninstall does NOT remove system packages. It only removes the hooks, aliases and scripts implemented by fix-opera's 'install.sh'.
+#
 
-rm /etc/apt/apt.conf.d/99fix-opera
-rm /usr/share/libalpm/hooks/fix-opera.hook
-rm /etc/dnf/plugins/post-transaction-actions.d/fix-opera.action
-sed -i '/alias fix-opera/d' $USER_HOME/.bashrc
-rm -rf $INSTALL_PATH
+INSTALL_PATH="/root/.scripts"
+
+# --- privilege check ---
+if [[ "$(id -u)" -ne 0 ]]; then
+    echo "Please run this script with sudo or as root"
+    exit 1
+fi
+
+# --- user resolution ---
+USER_NAME="${SUDO_USER:-$(logname)}"
+USER_HOME=$(getent passwd "$USER_NAME" | cut -d: -f6)
+
+# --- package manager detection ---
+detect_pkg_manager() {
+    if command -v apt-get >/dev/null 2>&1; then
+        PKG_MGR="apt"
+    elif command -v dnf >/dev/null 2>&1; then
+        PKG_MGR="dnf"
+    elif command -v pacman >/dev/null 2>&1; then
+        PKG_MGR="pacman"
+    else
+        PKG_MGR="unknown"
+    fi
+}
+
+remove_hook() {
+    case "$PKG_MGR" in
+        apt)
+            rm -f /etc/apt/apt.conf.d/99fix-opera
+            ;;
+        pacman)
+            rm -f /usr/share/libalpm/hooks/fix-opera.hook
+            ;;
+        dnf)
+            rm -f /etc/dnf/plugins/post-transaction-actions.d/fix-opera.action
+            ;;
+        *)
+            echo "No supported package manager hook to remove"
+            ;;
+    esac
+}
+
+detect_pkg_manager
+remove_hook
+
+# --- remove alias ---
+if [[ -f "$USER_HOME/.bashrc" ]]; then
+    sed -i '/alias fix-opera=.*Opera fix HTML5 media/d' "$USER_HOME/.bashrc"
+fi
+
+# --- remove installed files ---
+rm -rf "$INSTALL_PATH"
+
+echo "Opera Widevine fix has been removed."