diff --git a/README.md b/README.md
index aba99156..c54cef03 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,12 @@ Thanks to [packagecloud.io](https://packagecloud.io/) for sponsoring this projec
 
  
 
+Thanks to [SignPath Foundation](https://signpath.org/) for providing us a free code signing certificate for Windows packages and [SignPath](https://about.signpath.io/) for providing the code signing infrastructure!
+
+  [<img src="https://signpath.org/assets/logo.svg" alt="Free Code Signing for Open Source software · SignPath" width="500">](https://signpath.org/)
+
+&nbsp;
+
 Thanks to all donors for providing financial support for the project!</br>
 <sub>Please check [supported donation services](https://github.com/filips123/PWAsForFirefox?sponsor=1) if you want to help the project by donating.</sub>
 
diff --git a/docs/docs/index.md b/docs/docs/index.md
index 3c9aa0fa..a4db1a0e 100644
--- a/docs/docs/index.md
+++ b/docs/docs/index.md
@@ -97,6 +97,14 @@ providing us a free hosting for our DEB and RPM packages!
 
 [![Private NPM repository and Maven, RPM, DEB, PyPi and RubyGems repository · packagecloud](https://assets-production.packagecloud.io/assets/packagecloud-logo-light-3c521566d5567fe0ce8435ef1f9485b0c3ad28a958af6f520d82ad3b232d2ff3.png){ loading=lazy width=500 }](https://packagecloud.io/)
 
+Thanks to [SignPath Foundation](https://signpath.org/) for providing us a free code
+signing certificate for Windows packages and [SignPath](https://about.signpath.io/)
+for providing the code signing infrastructure!
+{: style="padding-top:0.5rem;" }
+
+[![Free Code Signing for Open Source software · SignPath](https://signpath.org/assets/logo.svg){ loading=lazy width=500 }](https://signpath.org/)
+
+
 Thanks to all donors for providing financial support for the project!
 {: style="padding-top:0.5rem;padding-bottom:0.5rem;" }
 
diff --git a/extension/src/_locales/en/messages.json b/extension/src/_locales/en/messages.json
index e03597a7..c6f3afed 100644
--- a/extension/src/_locales/en/messages.json
+++ b/extension/src/_locales/en/messages.json
@@ -560,6 +560,14 @@
     "message": "When the program is running, you should be automatically proceeded to the next step. If nothing changes after around 30 seconds, restart the browser.",
     "description": "The step 4 of the PortableApps.com installation option"
   },
+  "instructionsPageSignPathThanks": {
+    "message": "Thanks to <a href=\"https://signpath.org/\" target=\"_blank\">SignPath Foundation</a> for providing us a free code signing certificate for Windows packages and <a href=\"https://about.signpath.io/\" target=\"_blank\">SignPath</a> for providing the code signing infrastructure!",
+    "description": "A message that thanks SignPath for sponsoring the project"
+  },
+  "instructionsPageSignPathAlt": {
+    "message": "Free Code Signing for Open Source software · SignPath",
+    "description": "An alternative text for the SignPath logo"
+  },
   "instructionsPageInstallPackagecloudTitle": {
     "message": "To install the package from the packagecloud.io repository:",
     "description": "The title of the packagecloud.io installation option"
diff --git a/extension/src/setup/instructions.html b/extension/src/setup/instructions.html
index f64f02ca..6575e9bd 100644
--- a/extension/src/setup/instructions.html
+++ b/extension/src/setup/instructions.html
@@ -75,6 +75,11 @@
               <li data-i18n="instructionsPageInstallPAFStep4"></li>
             </ol>
           </div>
+          <div>
+            <span data-i18n="instructionsPageSignPathThanks"></span>
+            <br />
+            <a href="https://signpath.org/" target="_blank"><img width="200" src="https://signpath.org/assets/logo.svg" data-i18n data-i18n-alt="instructionsPageSignPathAlt" /></a>
+          </div>
         </div>
 
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