diff --git a/build.ps1 b/build.ps1
index 80fc10d..c25a8cc 100644
--- a/build.ps1
+++ b/build.ps1
@@ -1,31 +1,111 @@
-# PowerShell script to automate building and creating the installer
+param (
+    [switch]$AddGitHash
+)
 
-# Путь к файлу version_.d
-$versionFile = "source/snag/version_.d"
+[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+
+# Путь к файлам
+$originalVersionFile = "source/snag/version_.d"
+$backupVersionFile = "source/snag/version_.d.bak"
+
+# Создание backup файла, если он не существует
+try {
+    if (-not (Test-Path $backupVersionFile)) {
+        Copy-Item -Path $originalVersionFile -Destination $backupVersionFile -Force
+        Write-Host "Created backup: Copied $originalVersionFile to $backupVersionFile" -ForegroundColor Green
+    }
+} catch {
+    Write-Host "Error creating backup file: $_" -ForegroundColor Red
+    exit 1
+}
+
+# Чтение версии из backup файла
+try {
+    $content = Get-Content -Path $backupVersionFile -Raw -Encoding UTF8 -ErrorAction Stop
+    if ($content -match 'enum\s+snagVersion\s*=\s*"([^"]+)"') {
+        $baseVersion = $Matches[1]
+        Write-Host "Extracted base version: $baseVersion" -ForegroundColor Cyan
+    } else {
+        Write-Host "Failed to find snagVersion in $backupVersionFile" -ForegroundColor Red
+        exit 1
+    }
+} catch {
+    Write-Host "Error reading ${backupVersionFile}: $_" -ForegroundColor Red
+    exit 1
+}
+
+# Получение текущей даты и времени в формате yyddd.HHmm
+$dateTime = Get-Date -Format "yy$(Get-Date -UFormat %j).HHmm"
+
+# Получение git хэша, если требуется
+$gitHash = ""
+if ($AddGitHash) {
+    try {
+        if (Get-Command git -ErrorAction SilentlyContinue) {
+            $gitHash = git rev-parse --short HEAD
+            if ($LASTEXITCODE -eq 0) {
+                Write-Host "Git short hash: $gitHash" -ForegroundColor Cyan
+            } else {
+                Write-Host "Git command failed, proceeding without hash" -ForegroundColor Yellow
+            }
+        } else {
+            Write-Host "Git not found, proceeding without hash" -ForegroundColor Cyan
+        }
+    } catch {
+        Write-Host "Error executing git command: $_" -ForegroundColor Red
+        Write-Host "Proceeding without git hash" -ForegroundColor Yellow
+    }
+} else {
+    Write-Host "Git hash inclusion disabled by parameter" -ForegroundColor Cyan
+}
+
+# Разделение базовой версии на основную часть и суффикс
+$versionParts = $baseVersion -split '-'
+$mainVersion = $versionParts[0] # Основная версия, например, "0.1.0"
+$suffix = if ($versionParts.Count -gt 1) { "-$($versionParts[1])" } else { "" } # Суффикс, например, "-alpha.2" или пусто
+
+# Формирование итоговой версии
+$snagVersion = "${mainVersion}.${dateTime}${suffix}"
+if ($AddGitHash -and $gitHash) {
+    $snagVersion = "${snagVersion}-${gitHash}"
+}
+Write-Host "Final version: $snagVersion" -ForegroundColor Cyan
+
+# Замена версии в файле version_.d
+try {
+    $content = Get-Content -Path $originalVersionFile -Raw -Encoding UTF8 -ErrorAction Stop
+    $newContent = $content -replace 'enum\s+snagVersion\s*=\s*"[^"]+"', "enum snagVersion = ""$snagVersion"""
+    Set-Content -Path $originalVersionFile -Value $newContent -Encoding UTF8 -ErrorAction Stop
+    Write-Host "Updated $originalVersionFile with new version: $snagVersion" -ForegroundColor Green
+} catch {
+    Write-Host "Error updating ${originalVersionFile}: $_" -ForegroundColor Red
+    exit 1
+}
 
 # Путь к файлу snag.iss
 $issFile = "windows/snag.iss"
 
-# Извлечение snagVersion из version_.d
-$content = Get-Content -Path $versionFile -Raw -Encoding UTF8
-if ($content -match 'enum\s+snagVersion\s*=\s*"([^"]+)"') {
-    $snagVersion = $Matches[1]
-    Write-Host "Extracted version: $snagVersion"
-} else {
-    Write-Host "Failed to find snagVersion in $versionFile."
+# Проверка существования файла snag.iss
+if (-not (Test-Path $issFile)) {
+    Write-Host "File $issFile does not exist." -ForegroundColor Red
     exit 1
 }
 
 # Чтение snag.iss
-$issContent = Get-Content -Path $issFile -Raw -Encoding UTF8
+try {
+    $issContent = Get-Content -Path $issFile -Raw -Encoding UTF8 -ErrorAction Stop
+} catch {
+    Write-Host "Error reading ${issFile}: $_" -ForegroundColor Red
+    exit 1
+}
 
 # Обновление AppVersion
 $appVersionPattern = "AppVersion=$snagVersion"
 if ($issContent -match [regex]::Escape($appVersionPattern)) {
-    Write-Host "AppVersion in $issFile is already set to $snagVersion. Skipping update."
+    Write-Host "AppVersion in $issFile is already set to $snagVersion. Skipping update." -ForegroundColor Blue
 } else {
     $issContent = $issContent -replace 'AppVersion=version', "AppVersion=$snagVersion"
-    Write-Host "Updated AppVersion to $snagVersion in $issFile."
+    Write-Host "Updated AppVersion to $snagVersion in $issFile." -ForegroundColor Green
 }
 
 # Обновление OutputBaseFileName
@@ -34,19 +114,30 @@ $postfix = "_windows-installer"
 $newOutputBaseFileName = "$appName$snagVersion$postfix"
 $outputBasePattern = "OutputBaseFileName=$newOutputBaseFileName"
 if ($issContent -match [regex]::Escape($outputBasePattern)) {
-    Write-Host "OutputBaseFileName in $issFile is already set to $newOutputBaseFileName. Skipping update."
+    Write-Host "OutputBaseFileName in $issFile is already set to $newOutputBaseFileName. Skipping update." -ForegroundColor Blue
 } else {
     $issContent = $issContent -replace 'OutputBaseFileName=SnagInstaller', "OutputBaseFileName=$newOutputBaseFileName"
-    Write-Host "Updated OutputBaseFileName to $newOutputBaseFileName in $issFile."
+    Write-Host "Updated OutputBaseFileName to $newOutputBaseFileName in $issFile." -ForegroundColor Green
 }
 
 # Сохранение обновленного snag.iss
-Set-Content -Path $issFile -Value $issContent -Encoding UTF8
-Write-Host "File $issFile successfully updated."
+try {
+    Set-Content -Path $issFile -Value $issContent -Encoding UTF8 -ErrorAction Stop
+    Write-Host "File $issFile successfully updated." -ForegroundColor Green
+} catch {
+    Write-Host "Error writing to ${issFile}: $_" -ForegroundColor Red
+    exit 1
+}
 
 # Путь к файлу app.d
 $appDFile = "source/app.d"
 
+# Проверка существования файла app.d
+if (-not (Test-Path $appDFile)) {
+    Write-Host "File $appDFile does not exist." -ForegroundColor Red
+    exit 1
+}
+
 # Исходная и целевая строки для замены
 $originalString = 'string configFile = argumets.option("config", "snag.json");'
 $newString = @'
@@ -56,48 +147,118 @@ import std.process : environment;
 '@
 
 # Чтение содержимого файла и замена строки
-$content = Get-Content -Path $appDFile -Raw -Encoding UTF8
-if ($content -match [regex]::Escape($newString)) {
-    Write-Host "The string in $appDFile is already updated. Skipping replacement."
-} elseif ($content -match [regex]::Escape($originalString)) {
-    $content = $content -replace [regex]::Escape($originalString), $newString
-    Set-Content -Path $appDFile -Value $content -Encoding UTF8
-    Write-Host "The string in $appDFile has been successfully replaced."
-} else {
-    Write-Host "The original string in $appDFile was not found."
+try {
+    $content = Get-Content -Path $appDFile -Raw -Encoding UTF8 -ErrorAction Stop
+    if ($content -match [regex]::Escape($newString)) {
+        Write-Host "The string in $appDFile is already updated. Skipping replacement." -ForegroundColor Blue
+    } elseif ($content -match [regex]::Escape($originalString)) {
+        $content = $content -replace [regex]::Escape($originalString), $newString
+        Set-Content -Path $appDFile -Value $content -Encoding UTF8 -ErrorAction Stop
+        Write-Host "The string in $appDFile has been successfully replaced." -ForegroundColor Green
+    } else {
+        Write-Host "The original string in $appDFile was not found." -ForegroundColor Red
+        exit 1
+    }
+} catch {
+    Write-Host "Error processing ${appDFile}: $_" -ForegroundColor Red
+    exit 1
+}
+
+# Проверяем наличие dub в системе
+try {
+    Get-Command dub -ErrorAction Stop | Select-Object -ExpandProperty Source > $null 2>&1
+} catch {
+    Write-Host "Error: Pandoc is not installed or not in PATH" -ForegroundColor Red
     exit 1
 }
 
 # Выполнение команды dub build
-Write-Host "Starting build with dub..."
+Write-Host "Starting build with dub..." -ForegroundColor Green
 dub build --build=release > dub_build.log 2>&1
 if ($LASTEXITCODE -ne 0) {
-    Write-Host "Error during dub build. Check dub_build.log for details."
+    Write-Host "Error during dub build. Check dub_build.log for details." -ForegroundColor Red
     exit 1
 }
 
 # Переход в директорию windows
-Write-Host "Changing to the windows/ directory..."
+Write-Host "Changing to the windows/ directory..." -ForegroundColor Green
 Set-Location -Path "windows"
 if (-not $?) {
-    Write-Host "Failed to change to the windows/ directory."
+    Write-Host "Failed to change to the windows/ directory." -ForegroundColor Red
+    exit 1
+}
+
+# Проверка существования файлов для pandoc
+$readmeFile = "../README.md"
+$cssFile = "style.css"
+$outputHtml = "readme.html"
+
+if (-not (Test-Path $readmeFile)) {
+    Write-Host "File $readmeFile does not exist." -ForegroundColor Red
+    exit 1
+}
+if (-not (Test-Path $cssFile)) {
+    Write-Host "File $cssFile does not exist." -ForegroundColor Red
+    exit 1
+}
+
+# Проверяем наличие pandoc в системе
+try {
+    Get-Command pandoc -ErrorAction Stop | Select-Object -ExpandProperty Source > $null 2>&1
+} catch {
+    Write-Host "Error: Pandoc is not installed or not in PATH" -ForegroundColor Red
+    exit 1
+}
+
+# Выполнение команды pandoc
+Write-Host "Converting README.md to readme.html using pandoc..." -ForegroundColor Green
+pandoc -s -o $outputHtml $readmeFile --css=$cssFile > pandoc.log 2>&1
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "Error during pandoc conversion. Check pandoc.log for details." -ForegroundColor Red
+    exit 1
+}
+Write-Host "Successfully converted README.md to $outputHtml." -ForegroundColor Green
+
+# Проверка существования Inno Setup
+$innoSetupPath = 'C:\Program Files (x86)\Inno Setup 6\ISCC.exe'
+if (-not (Test-Path $innoSetupPath)) {
+    Write-Host "Inno Setup compiler not found at $innoSetupPath."
     exit 1
 }
 
 # Запуск компиляции Inno Setup
-Write-Host "Starting Inno Setup compilation..."
-& 'C:\Program Files (x86)\Inno Setup 6\ISCC.exe' .\snag.iss > inno_setup.log 2>&1
+Write-Host "Starting Inno Setup compilation..." -ForegroundColor Green
+& $innoSetupPath .\snag.iss > inno_setup.log 2>&1
 if ($LASTEXITCODE -ne 0) {
-    Write-Host "Error during Inno Setup compilation. Check inno_setup.log for details."
+    Write-Host "Error during Inno Setup compilation. Check inno_setup.log for details." -ForegroundColor Red
     exit 1
 }
 
 # Выход из директории windows
-Write-Host "Changing back to the parent directory..."
+Write-Host "Changing back to the parent directory..." -ForegroundColor Green
 Set-Location -Path ..
 if (-not $?) {
-    Write-Host "Failed to change back to the parent directory."
+    Write-Host "Failed to change back to the parent directory." -ForegroundColor Red
     exit 1
 }
 
-Write-Host "Build and installer compilation completed successfully!"
+try {
+    # Выполняем git restore (отмена изменений в отслеживаемых файлах)
+    Write-Host "Running 'git restore .'..." -ForegroundColor Cyan
+    git restore .
+    if ($LASTEXITCODE -ne 0) {
+        throw "git restore failed with exit code $LASTEXITCODE"
+    }
+    # Выполняем git clean (удаление неотслеживаемых файлов)
+    Write-Host "Running 'git clean -f -d'..." -ForegroundColor Cyan
+    git clean -f -d | ForEach-Object { Write-Host $_ -ForegroundColor Yellow }
+    if ($LASTEXITCODE -ne 0) {
+        throw "git clean failed with exit code $LASTEXITCODE"
+    }
+    Write-Host "Git cleanup completed successfully!" -ForegroundColor Green
+}
+catch {
+    Write-Host "ERROR: $_" -ForegroundColor Red
+}
+
+Write-Host "Build and installer compilation completed successfully!" -ForegroundColor Green
diff --git a/windows.md b/windows.md
index 481d5ba..77752d0 100644
--- a/windows.md
+++ b/windows.md
@@ -1,7 +1,7 @@
 # Сборка из под Windows
 
-Для сборки на Windows необходим установленный [Inno Setup](https://jrsoftware.org/isdl.php).
+Для сборки на Windows необходим установленный [Inno Setup](https://jrsoftware.org/isdl.php) и для документации [pandoc](https://pandoc.org/).
 
 ```
-.\build.ps1
+.\build.ps1 -AddGitHash
 ```
diff --git a/windows/snag.iss b/windows/snag.iss
index bc4a667..3832241 100644
--- a/windows/snag.iss
+++ b/windows/snag.iss
@@ -1,4 +1,4 @@
-; Сценарий для Inno Setup
+; Сценарий для Inno Setup
 [Setup]
 AppName=Snag
 AppVersion=version
@@ -18,9 +18,12 @@ Source: "../bin/snag.exe"; DestDir: "{app}"; Flags: ignoreversion
 Source: "snag.bat"; DestDir: "{app}"; Flags: ignoreversion
 Source: "snag.json.bak"; DestDir: "{app}"; Flags: ignoreversion
 Source: "../LICENSE"; DestDir: "{app}"; Flags: ignoreversion
+Source: "style.css"; DestDir: "{app}\doc\"; Flags: ignoreversion
+Source: "readme.html"; DestDir: "{app}\doc\"; Flags: ignoreversion
 
 [Icons]
 Name: "{group}\Snag"; Filename: "{app}\snag.bat"
+Name: "{group}\README"; Filename: "{app}\doc\readme.html"
 Name: "{group}\{cm:UninstallProgram,Snag}"; Filename: "{uninstallexe}"
 
 [Run]
diff --git a/windows/style.css b/windows/style.css
new file mode 100644
index 0000000..40e0c5d
--- /dev/null
+++ b/windows/style.css
@@ -0,0 +1,4 @@
+body { font-family: Arial, sans-serif; margin: 20px; }
+h1, h2, h3 { color: #333; }
+pre { background: #f4f4f4; padding: 10px; border-radius: 5px; }
+code { font-family: Consolas, monospace; }