diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5dad9e9f..0e70613c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.2.0)
+cmake_minimum_required (VERSION 4.0)
 project (DiscordRPC)
 
 include(GNUInstallDirs)
diff --git a/appveyor.yml b/appveyor.yml
index 1c328b87..12c39390 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,7 @@
 version: '{build}'
 install:
   - python -m pip install click
+  - python -m pip install build.py
 
 build_script:
   - mkdir examples\unrealstatus\Plugins\discordrpc\Binaries\ThirdParty\discordrpcLibrary\Win64
diff --git a/examples/send-presence/send-presence.c b/examples/send-presence/send-presence.c
index 1b651f2c..74831d32 100644
--- a/examples/send-presence/send-presence.c
+++ b/examples/send-presence/send-presence.c
@@ -44,14 +44,20 @@ static void updateDiscordPresence()
         discordPresence.endTimestamp = time(0) + 5 * 60;
         discordPresence.largeImageKey = "canary-large";
         discordPresence.smallImageKey = "ptb-small";
-        discordPresence.partyId = "party1234";
-        discordPresence.partySize = 1;
-        discordPresence.partyMax = 6;
-        discordPresence.partyPrivacy = DISCORD_PARTY_PUBLIC;
-        discordPresence.matchSecret = "xyzzy";
-        discordPresence.joinSecret = "join";
-        discordPresence.spectateSecret = "look";
-        discordPresence.instance = 0;
+        // TEMP DISABLE (Join and Spectate)
+        //discordPresence.partyId = "party1234";
+        //discordPresence.partySize = 1;
+        //discordPresence.partyMax = 6;
+        //discordPresence.partyPrivacy = DISCORD_PARTY_PUBLIC;
+        //discordPresence.matchSecret = "xyzzy";
+        //discordPresence.joinSecret = "join";
+        //discordPresence.spectateSecret = "look";
+        //discordPresence.instance = 0;
+        // EXAMPLE BUTTONS
+        discordPresence.button1Label = "Example 1 button";
+        discordPresence.button1Url = "https://example.com";
+        discordPresence.button2Label = "Example 2 button";
+        discordPresence.button2Url = "https://example.com";
         Discord_UpdatePresence(&discordPresence);
     }
     else {
diff --git a/include/discord_rpc.h b/include/discord_rpc.h
index 9470434a..f30f63dc 100644
--- a/include/discord_rpc.h
+++ b/include/discord_rpc.h
@@ -39,6 +39,10 @@ typedef struct DiscordRichPresence {
     const char* matchSecret;    /* max 128 bytes */
     const char* joinSecret;     /* max 128 bytes */
     const char* spectateSecret; /* max 128 bytes */
+    const char* button1Label; /* max 32 bytes */
+    const char* button1Url;   /* max 512 bytes */
+    const char* button2Label; /* max 32 bytes */
+    const char* button2Url;   /* max 512 bytes */
     int8_t instance;
 } DiscordRichPresence;
 
diff --git a/src/serialization.cpp b/src/serialization.cpp
index 70efa637..ccc725d6 100644
--- a/src/serialization.cpp
+++ b/src/serialization.cpp
@@ -157,7 +157,33 @@ size_t JsonWriteRichPresenceObj(char* dest,
                     WriteOptionalString(writer, "join", presence->joinSecret);
                     WriteOptionalString(writer, "spectate", presence->spectateSecret);
                 }
+                
+                // Add Custom buttons and links (2 Buttons)
+                if (((presence->button1Label && presence->button1Label[0]) &&
+                     (presence->button1Url && presence->button1Url[0])) ||
+                    ((presence->button2Label && presence->button2Label[0]) &&
+                     (presence->button2Url && presence->button2Url[0]))) {
+                    WriteArray buttons(writer, "buttons");
+
+                    if ((presence->button1Label && presence->button1Label[0]) &&
+                        (presence->button1Url && presence->button1Url[0])) {
+                        WriteObject button1(writer);
+                        writer.Key("label");
+                        writer.String(presence->button1Label);
+                        writer.Key("url");
+                        writer.String(presence->button1Url);
+                    }
 
+                    if ((presence->button2Label && presence->button2Label[0]) &&
+                        (presence->button2Url && presence->button2Url[0])) {
+                        WriteObject button2(writer);
+                        writer.Key("label");
+                        writer.String(presence->button2Label);
+                        writer.Key("url");
+                        writer.String(presence->button2Url);
+                    }
+                }
+                
                 writer.Key("instance");
                 writer.Bool(presence->instance != 0);
             }