How to Sign a PDF on Windows

Need to sign a PDF on your Windows PC? You don't need expensive software like Adobe Acrobat. This guide shows you free methods to add your electronic signature to any PDF on Windows 10 and Windows 11.

Best Free Methods to Sign PDFs on Windows

Method 1: Use Signatly Online (Easiest)

The simplest way to sign PDFs on Windows:

  1. Open your browser (Chrome, Edge, Firefox)
  2. Go to signatly.com/free-tools/sign-pdf/
  3. Upload your PDF file
  4. Create your signature (type, draw, or upload)
  5. Click where you want to sign
  6. Download your signed PDF

Best for: Quick signing, sending to others, professional use

Method 2: Microsoft Edge (Built-in)

Windows 10 and 11 include Edge which can edit PDFs:

  1. Right-click your PDF → Open with → Microsoft Edge
  2. Click "Draw" in the toolbar
  3. Draw your signature with your mouse
  4. Click Save

Limitation: Only draw mode available, no typed signatures

Method 3: Windows Ink

If you have a touchscreen or stylus:

  1. Open PDF in Edge or compatible app
  2. Use Windows Ink Workspace
  3. Draw your signature naturally
  4. Save the document

Best for: Touchscreen laptops and tablets

Why Use an Online Tool Instead?

While Windows has basic PDF annotation, online tools like Signatly offer significant advantages:

Sign PDFs on Windows for Free

No software to install. Works in any browser.

Sign PDF Now

Frequently Asked Questions

Can I sign PDFs without Adobe Acrobat?

Yes! You don't need Adobe Acrobat or any paid software. Online tools like Signatly and built-in Windows features let you sign PDFs for free.

Are electronic signatures legal on Windows?

Yes, electronic signatures are legally binding regardless of what operating system you use. The legality comes from laws like ESIGN Act, not the software.

How do I sign multiple PDFs quickly?

Create a free Signatly account to save your signature. Then you can apply it to any document with one click.