This guide walks through downloading ReadMark, installing it, and opening your first Markdown file.
- Windows 10 or 11 (64-bit).
- WebView2 runtime: preinstalled on Windows 11. If it is missing, the installer will guide you.
- .NET 8 Desktop Runtime: bundled with the installer, so there is nothing extra to install.
Get the latest ReadMark .msi installer from:
- the Releases page, or
- readmarkviewer.com.
- Run the downloaded
.msi. - Follow the installer prompts and accept the license.
- ReadMark installs and registers itself as a handler for Markdown files.
Any of these work:
- Double-click a
.mdfile, or right-click it → Open with → ReadMark. - In ReadMark, press Ctrl+O and pick one or more files.
- Drag & drop a Markdown file onto the ReadMark window.
- From a terminal:
ReadMark.exe path\to\file.md.
ReadMark recognizes .md, .markdown, .mdown, .mkd, .mkdn, .mdwn, and .mdtxt (case-insensitive).
- Press F1 to see every keyboard shortcut at a glance.
- Press Ctrl+T to cycle Light → Dark → System appearance.
- Press Ctrl+Shift+N to show the navigation sidebar, then switch it between Outline and Files.
- Press Ctrl+F to find text in the document.
- Press Ctrl+M to switch between Extended (GitHub) and strict CommonMark rendering.
- Click the
</>control in the status bar to switch between the rendered document and its syntax-highlighted Markdown source. - Hover over a rendered fenced code block and click Copy code to copy its exact text.
- Follow a link to a heading or another document, then press Alt+Left to go back.
- Learn every feature and shortcut in the User Guide.
- Hit a snag? See Troubleshooting.