diff --git a/nas-gdrive-backup.sh b/nas-gdrive-backup.sh
new file mode 100644
index 0000000..09433a6
--- /dev/null
+++ b/nas-gdrive-backup.sh
@@ -0,0 +1,258 @@
+#!/bin/bash
+
+# NAS Backup Script to Google Drive using rclone and 7zip
+# For each folder on BACKUP_SOURCE, it gets the sha256 checksum of it, checks the checksum against the previous backup, and if it has changed, it creates a 7zip archive of the folder with encryption.
+# It then uploads the archive to Google Drive using rclone.
+
+# Configuration
+BACKUP_SOURCE="/export/Backup"
+META_DIR="/export/Backup/.gdrive"
+TMP_DIR="/export/Backup/.gdrive/tmp"
+ZIP_PASSWORD="password"
+GDRIVE_REMOTE="gdrive"
+GDRIVE_PATH="/NAS-Backups"
+ARCHIVE_NAME="backup.7z"
+LOG_FILE="/var/log/nas-gdrive-backup.log"
+
+# Check for install flag
+# Usage: curl -sSL https://git.ivanch.me/ivanch/server-scripts/raw/branch/main/nas-gdrive-backup.sh | bash -s -- --install
+if [[ "$1" == "--install" ]]; then
+    install_script
+    exit 0
+fi
+
+# Function for logging
+log() {
+    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
+}
+
+clean_up() {
+    log "Cleaning up temporary files"
+    rm -rf "$TMP_DIR"
+}
+
+trap clean_up EXIT
+
+# Check if 7z is installed
+if ! which 7z; then
+    log "ERROR: 7z is not installed"
+    exit 1
+fi
+
+# Check if rclone is installed
+if ! which rclone; then
+    log "ERROR: rclone is not installed"
+    exit 1
+fi
+
+# Create meta directory if it doesn't exist
+if [ ! -d "$META_DIR" ]; then
+    log "Creating meta directory: $META_DIR"
+    mkdir -p "$META_DIR"
+fi
+
+# Fix permissions for the meta directory (777 recursively)
+chmod -R 777 "$META_DIR"
+
+create_7z() {
+    local folder="$1"
+    local archive_name="$2"
+    log "Creating 7zip archive of $folder"
+    7z a -p"$ZIP_PASSWORD" -mhe=on -mx=5 "$archive_name" "$folder"
+    if [ $? -ne 0 ]; then
+        log "ERROR: Failed to create 7zip archive of $folder"
+    fi
+}
+
+upload_to_gdrive() {
+    local archive_name="$1"
+    log "Uploading $archive_name to Google Drive"
+
+    # Should replace existing file if it exists
+    rclone copy "$archive_name" "$GDRIVE_REMOTE:$GDRIVE_PATH" \
+        --progress \
+        --check-first \
+        --transfers 1 \
+        --checkers 1 \
+        --retries 1 \
+        --low-level-retries 10
+    if [ $? -ne 0 ]; then
+        log "ERROR: Failed to upload $archive_name to Google Drive"
+    fi
+}
+
+# Loop through each folder in the backup source
+for folder in "$BACKUP_SOURCE"/*; do
+    if [ -d "$folder" ]; then
+        log "Processing folder: $folder"
+        # Get the sha256 checksum of the folder
+        CHECKSUM=$(find "$folder" -type f -exec sha256sum {} + | sha256sum | awk '{print $1}')
+        META_FILE="$META_DIR/$(basename "$folder").sha256"
+        # Check if the checksum file exists
+        if [ -f "$META_FILE" ]; then
+            # Read the previous checksum from the file
+            PREV_CHECKSUM=$(cat "$META_FILE")
+            # Compare the checksums
+            if [ "$CHECKSUM" != "$PREV_CHECKSUM" ]; then
+                log "Changes detected in $folder - creating new archive"
+
+                create_7z "$folder" "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
+                upload_to_gdrive "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
+
+                # Update the checksum file
+                echo "$CHECKSUM" > "$META_FILE"
+                
+                # Remove the temporary archive file
+                log "Removing temporary archive file"
+                rm "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
+            else
+                log "No changes detected in $folder"
+            fi
+        else
+            log "No previous checksum found for $folder - creating new archive"
+
+            create_7z "$folder" "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
+            upload_to_gdrive "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
+            
+            # Create a checksum file for the folder
+            echo "$CHECKSUM" > "$META_FILE"
+
+            # Remove the temporary archive file
+            log "Removing temporary archive file"
+            rm "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
+        fi
+    else
+        log "Skipping $folder, not a directory"
+    fi
+    log ""
+done
+
+log "Backup process completed successfully"
+
+# Exit with success
+exit 0
+
+# Function to install a dependency if not already installed
+install_dependency() {
+    local package="$1"
+    if ! dpkg -l | grep -q "$package"; then
+        install_log_info "Installing $package"
+        apt-get update && apt-get install -y "$package"
+        if [ $? -ne 0 ]; then
+            install_log_error "ERROR: Failed to install $package"
+            exit 1
+        fi
+        install_log_ok "$package installed successfully"
+    else
+        install_log_ok "$package is already installed"
+    fi
+}
+
+install_log_ok() {
+    echo -e "\e[32m[✓]\e[0m $1"
+}
+install_log_error() {
+    echo -e "\e[31m[✗]\e[0m $1"
+}
+install_log_info() {
+    echo -e "\e[34m[!]\e[0m $1"
+}
+install_log_separator() {
+    echo -e "\e[36m========================================\e[0m"
+}
+
+install_script() {
+    echo -e ""
+    install_log_separator
+    install_log_info "Starting installation of NAS to Google Drive backup script"
+    install_log_separator
+    echo -e ""
+    
+    install_log_separator
+    # Check if running as root
+    if [ "$(id -u)" -ne 0 ]; then
+        install_log_error "ERROR: This script must be run as root"
+        exit 1
+    fi
+    install_log_separator
+    
+    # Check for dependencies
+    install_log_info "Checking for required dependencies"
+    install_dependency "rclone"
+    install_dependency "p7zip-full"
+    install_log_separator
+
+    # Check if crontab exists
+    install_log_info "Checking if crontab is installed"
+    if ! command -v crontab &>/dev/null; then
+        install_log_error "crontab is not installed"
+        exit 1
+    else
+        install_log_ok "crontab is installed"
+    fi
+    install_log_separator
+
+    install_log_info "Installing script to /usr/local/bin/nas-gdrive-backup.sh"
+    curl -sSL https://git.ivanch.me/ivanch/server-scripts/raw/branch/main/nas-gdrive-backup.sh -o /usr/local/bin/nas-gdrive-backup.sh
+    chmod +x /usr/local/bin/nas-gdrive-backup.sh
+
+    install_log_info "Setting up ZIP_PASSWORD in $0"
+    if [ -z "$ZIP_PASSWORD" ]; then
+        install_log_error "ERROR: ZIP_PASSWORD is not set"
+        exit 1
+    fi
+    read -p "Enter ZIP_PASSWORD: " ZIP_PASSWORD
+    if [ -z "$ZIP_PASSWORD" ]; then
+        install_log_error "ERROR: ZIP_PASSWORD cannot be empty"
+        exit 1
+    fi
+    # Update the ZIP_PASSWORD in the script
+    sed -i "s/^ZIP_PASSWORD=.*/ZIP_PASSWORD=\"$ZIP_PASSWORD\"/" /usr/local/bin/nas-gdrive-backup.sh
+    log "ZIP_PASSWORD updated in /usr/local/bin/nas-gdrive-backup.sh"
+    install_log_separator
+
+    # Check for existence of source directories
+    install_log_info "Checking if BACKUP_SOURCE, META_DIR, and TMP_DIR exists"
+    if ! [ -d "$BACKUP_SOURCE" ]; then
+        install_log_error "ERROR: BACKUP_SOURCE directory does not exist"
+        exit 1
+    else
+        install_log_ok "BACKUP_SOURCE directory exists: $BACKUP_SOURCE"
+    fi
+    if ! [ -d "$META_DIR" ]; then
+        install_log_info "Creating META_DIR: $META_DIR"
+        mkdir -p "$META_DIR"
+    fi
+    if ! [ -d "$TMP_DIR" ]; then
+        install_log_info "Creating TMP_DIR: $TMP_DIR"
+        mkdir -p "$TMP_DIR"
+    fi
+    install_log_info "Setting permissions for $META_DIR and $TMP_DIR to 777"
+    chmod -R 777 "$META_DIR" "$TMP_DIR"
+    install_log_separator
+    
+    install_log_info "Setting up rclone configuration"
+    if ! rclone config show gdrive &>/dev/null; then
+        install_log_error "ERROR: rclone gdrive remote is not configured"
+        install_log_error "Please run 'rclone config' to set up your Google Drive remote"
+        exit 1
+    fi
+    install_log_ok "rclone gdrive remote is configured"
+    install_log_separator
+
+    install_log_info "Setting up cron job for backup script"
+    (crontab -l 2>/dev/null; echo "30 23 * * 1,5 $0 > /tmp/nas-gdrive-backup.log") | crontab -
+    install_log_ok "Cron job set up to run $0 every Monday and Friday at 23:30"
+    install_log_separator
+    
+    echo -e ""
+    install_log_separator
+    install_log_ok "Installation completed successfully!"
+    install_log_separator
+    echo -e ""
+    echo -e "You can now run the script manually with: \e[32m/usr/local/bin/nas-gdrive-backup.sh\e[0m"
+    echo -e "Or it will run automatically according to the cron schedule."
+
+    # Exit with success
+    exit 0
+}
\ No newline at end of file
diff --git a/windows-backup.ps1 b/windows-backup.ps1
new file mode 100644
index 0000000..ea3a11a
--- /dev/null
+++ b/windows-backup.ps1
@@ -0,0 +1,52 @@
+$7zipPath = "$env:ProgramFiles\7-Zip\7z.exe"
+
+# Check if 7-Zip is installed
+if (!(Test-Path "$env:ProgramFiles\7-Zip\7z.exe")) {
+    Write-Host "7-Zip is not installed. Please install it to use this script."
+    exit 1
+}
+
+$BackupSource = @(
+    "$env:USERPROFILE\Documents",
+    "$env:USERPROFILE\Desktop",
+    "$env:USERPROFILE\Pictures"
+)
+
+$NASDestination = "\\OMV\Backup\$env:COMPUTERNAME"
+$TempDir = "$env:TEMP\BackupTemp"
+$Date = Get-Date -Format "yyyy-MM-dd"
+
+# Create temp directory
+New-Item -ItemType Directory -Path $TempDir -Force
+
+# Create NAS destination if it doesn't exist
+if (!(Test-Path $NASDestination)) {
+    New-Item -ItemType Directory -Path $NASDestination -Force
+}
+
+foreach ($Folder in $BackupSource) {
+    if (Test-Path $Folder) {
+        $FolderName = Split-Path $Folder -Leaf
+        $ZipFile = "$TempDir\$FolderName-$Date.zip"
+        
+        Write-Host "Compressing $Folder..."
+        & "$7zipPath" a -tzip "$ZipFile" "$Folder\*" -mx=9
+
+        Write-Host "Copying $ZipFile to NAS..."
+        Copy-Item $ZipFile $NASDestination -Force
+        
+        Write-Host "Removing $ZipFile..."
+        Remove-Item $ZipFile
+    }
+}
+
+Write-Host "Removing Files older than 15 days from $NASDestination..."
+$OldFiles = Get-ChildItem -Path $NASDestination -File | Where-Object { $_.LastWriteTime -lt (Get-Date).AddDays(-15) }
+foreach ($OldFile in $OldFiles) {
+    Remove-Item $OldFile.FullName -Force
+    Write-Host "Removed: $($OldFile.FullName)"
+}
+
+# Cleanup
+Remove-Item $TempDir -Recurse -Force
+Write-Host "Backup completed!"
\ No newline at end of file