diff --git a/README.md b/README.md
index e8cffaf..1cc4208 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,11 @@ Tiny app to redirect outgoing calls to Signal/Telegram/Threema/Whatsapp.
   <a href="https://apt.izzysoft.de/fdroid/index/apk/partisan.weforge.xyz.pulse">
     <img src="https://weforge.xyz/partisan/Pulse/raw/branch/main/data/IzzyOnDroidButton.svg" alt="Download on IzzyOnDroid" width="256" height="64">
   </a>
+  <a href="https://weforge.xyz/partisan/Pulse#using-obtainium">
+    <img src="https://weforge.xyz/partisan/Pulse/raw/branch/main/data/OptainiumButton.png" alt="Download using Optainium" width="256" height="64">
+  </a>
 </p>
 
-
 ---
 
 <p align="center">
@@ -35,9 +37,35 @@ Tiny app to redirect outgoing calls to Signal/Telegram/Threema/Whatsapp.
   </span>
 </p>
 
-You can cancel redirection by clicking on `Redirecting to..` popup.
+# How to Install
 
-## Permissions
+## Using Droid-ify (or other F-Droid client)
+
+[Install Droid-ify from their page](https://droidify.eu.org/)
+
+In the app, search for "Pulse" and install it.
+
+*Pulse uses the IzzyOnDroid repo. Some F-Droid clients, such as F-Droid itself, do not include it by default. Please add the IzzyOnDroid repo: https://apt.izzysoft.de/fdroid/repo*
+
+## Using Obtainium
+
+[Install Obtainium](https://github.com/ImranR98/Obtainium/blob/main/README.md)
+
+In the “Add App” screen:
+
+1. Add the following URL: https://weforge.xyz/partisan/Pulse  
+2. In **Override Source**, select **Forgejo (Codeberg)**  
+3. Tap the “Add” button at the very top, and you’re done!
+
+## Install directly
+
+Go to the [Releases page](https://weforge.xyz/partisan/Pulse/releases) and download the latest file with the following format: `app-release.apk`.
+
+Install it, and you’re done!
+
+*Please note that when installing directly, the app will not receive automatic updates.*
+
+# Permissions
 
 * ACCESS_NETWORK_STATE - check internet is available
 * CALL_PHONE           - make a call via messenger
@@ -47,7 +75,8 @@ You can cancel redirection by clicking on `Redirecting to..` popup.
 
 All permissions are mandatory.
 
-## License
+# License
+
 [![GNU GPLv3 Image](https://www.gnu.org/graphics/gplv3-127x51.png)](https://www.gnu.org/licenses/gpl-3.0.en.html)
 
 This application is Free Software: You can use, study share and improve it at your will.
@@ -55,11 +84,11 @@ Specifically you can redistribute and/or modify it under the terms of the
 [GNU General Public License v3](https://www.gnu.org/licenses/gpl.html) as published by the Free
 Software Foundation.
 
-### Icon Credit
+## Icon Credit
 
-Icon based on "Pulse 53" from the [Flare Dashed Icons](https://www.svgrepo.com/svg/450484/pulse) collection by [Taras Shypka](https://www.svgrepo.com/author/Taras%20Shypka/).  
+Icon based on "Pulse 53" from the [Flare Dashed Icons](https://www.svgrepo.com/svg/450484/pulse) collection by [Taras Shypka](https://www.svgrepo.com/author/Taras%20Shypka/).
 Licensed under the [Public Domain](https://www.svgrepo.com/page/licensing/#PD).
 
-### Original Author
+## Original Author
 
 [This software](https://github.com/x13a/Red) was originally developed by [x13a](https://github.com/x13a), but it has been archived by the owner on Jun 22, 2022.
\ No newline at end of file
diff --git a/data/OptainiumButton.png b/data/OptainiumButton.png
new file mode 100644
index 0000000..3d058b8
Binary files /dev/null and b/data/OptainiumButton.png differ