diff --git a/src-tauri/nsis/template.nsi b/src-tauri/nsis/template.nsi
index ad8f4996..e4578d0c 100644
--- a/src-tauri/nsis/template.nsi
+++ b/src-tauri/nsis/template.nsi
@@ -858,6 +858,27 @@ Section Uninstall
     Delete "$INSTDIR\\{{this}}"
   {{/each}}
 
+  ; Dlete config.json
+  Delete "$INSTDIR\config.json"
+
+  ; Delete process.log
+  Delete "$INSTDIR\process.log"
+
+  ; Delete errror.log
+  Delete "$INSTDIR\error.log"
+
+  ; Delete update.exe
+  Delete "$INSTDIR\update.exe"
+
+  ; Delete _internal folder
+  RmDir /r "$INSTDIR\_internal"
+
+  ; Delete log folder
+  RmDir /r "$INSTDIR\logs"
+
+  ; Delete weights folder
+  RmDir /r "$INSTDIR\weights"
+
   ; Delete uninstaller
   Delete "$INSTDIR\uninstall.exe"
 
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index e47c9aef..040bce33 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -75,7 +75,7 @@
         "nsis": {
           "template": "nsis/template.nsi",
           "license": "../LICENSE",
-          "installMode": "both",
+          "installMode": "currentUser",
           "displayLanguageSelector": true
         }
       }
diff --git a/src-ui/app/main_page/main_section/message_container/log_box/message_container/MessageContainer.module.scss b/src-ui/app/main_page/main_section/message_container/log_box/message_container/MessageContainer.module.scss
index 966ed455..309da7f8 100644
--- a/src-ui/app/main_page/main_section/message_container/log_box/message_container/MessageContainer.module.scss
+++ b/src-ui/app/main_page/main_section/message_container/log_box/message_container/MessageContainer.module.scss
@@ -73,6 +73,7 @@
     flex-direction: column;
     &.sent_message {
         align-items: end;
+        text-align: end;
     }
     &.received_message {
         align-items: start;
diff --git a/src-ui/app/splash_component/SplashComponent.jsx b/src-ui/app/splash_component/SplashComponent.jsx
index 6de17662..05b2307c 100644
--- a/src-ui/app/splash_component/SplashComponent.jsx
+++ b/src-ui/app/splash_component/SplashComponent.jsx
@@ -1,12 +1,59 @@
+import { useState, useEffect } from "react";
 import styles from "./SplashComponent.module.scss";
 import { StartUpProgressContainer } from "./start_up_progress_container/StartUpProgressContainer/";
 import { DownloadModelsContainer } from "./download_models_container/DownloadModelsContainer/";
+import MegaphoneSvg from "@images/megaphone.svg?react";
+import XMarkSvg from "@images/cancel.svg?react";
+import { appWindow } from "@tauri-apps/api/window";
 
 export const SplashComponent = () => {
     return (
-        <div>
+        <div className={styles.container}>
             <StartUpProgressContainer />
             <DownloadModelsContainer />
+            <AnnouncementsContainer />
+            <CloseButtonContainer />
         </div>
     );
+};
+
+const AnnouncementsContainer = () => {
+    const labels = ["VRCT Real-Time Announcements", "VRCTからのお知らせ"];
+    const [currentLabelIndex, setCurrentLabelIndex] = useState(0);
+
+
+    useEffect(() => {
+        const labelInterval = setInterval(() => {
+            setCurrentLabelIndex((prevIndex) => (prevIndex + 1) % labels.length);
+        }, 6000);
+        return () => clearInterval(labelInterval);
+    }, [labels.length]);
+
+    return (
+        <a
+            href="https://docs.google.com/spreadsheets/d/1_L5i-1U6PB1dnaPPTE_5uKMfqOpkLziPyRkiMLi4mqU/edit?usp=sharing"
+            target="_blank"
+            rel="noreferrer"
+        >
+            <button className={styles.announcements_button}>
+                <MegaphoneSvg className={styles.announcements_link_svg} />
+                <p className={styles.announcements_label}>{labels[currentLabelIndex]}</p>
+            </button>
+        </a>
+    );
+};
+
+
+const CloseButtonContainer = () => {
+    const close = () => {
+        appWindow.close();
+    };
+
+    return (
+        <button className={styles.close_button_wrapper} onClick={close}>
+            <div className={styles.close_button}>
+                <XMarkSvg className={styles.x_mark_svg}/>
+            </div>
+        </button>
+    );
 };
\ No newline at end of file
diff --git a/src-ui/app/splash_component/SplashComponent.module.scss b/src-ui/app/splash_component/SplashComponent.module.scss
index 031853d0..6ef953b7 100644
--- a/src-ui/app/splash_component/SplashComponent.module.scss
+++ b/src-ui/app/splash_component/SplashComponent.module.scss
@@ -1,8 +1,70 @@
-.progress_container {
+.container {
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
     position: relative;
 }
-.progress_label {
+
+.announcements_button {
     position: absolute;
-    font-size: 1rem;
-    color: var(--dark_basic_text_color);
+    top: 16px;
+    left: 20px;
+    border: 1px solid var(--dark_600_color);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    gap: 6px;
+    padding: 6px 8px;
+    border-radius: 4px;
+    &:hover {
+        background-color: var(--dark_750_color);
+    }
+    &:active {
+        background-color: var(--dark_850_color);
+    }
+    transition: all 0.1s ease;
+}
+
+.announcements_label {
+    font-size: 12px;
+}
+.announcements_link_svg {
+    width: 20px;
+}
+
+
+
+.close_button_wrapper {
+    position: absolute;
+    top: 0;
+    left: 100%;
+    transform: translate(-50%, -50%) rotate(45deg);
+    display: flex;
+    justify-content: center;
+    align-items: end;
+    width: 68px;
+    aspect-ratio: 1 / 1;
+    &:hover {
+        background-color: #bb4448;
+        & .x_mark_svg {
+            color: var(--dark_200_color);
+            transform: rotate(45deg);
+        }
+    }
+    &:active {
+        background-color: #9c3938;
+    }
+    transition: all 0.1s ease;
+}
+
+.close_button {
+    // width: 100%;
+    // height: 100%;
+}
+
+.x_mark_svg {
+    width: 24px;
+    transform: rotate(-45deg);
+    color: var(--dark_700_color);
+    transition: transform 0.3s ease;
 }
\ No newline at end of file
diff --git a/src-ui/assets/megaphone.svg b/src-ui/assets/megaphone.svg
new file mode 100644
index 00000000..86b7ebcb
--- /dev/null
+++ b/src-ui/assets/megaphone.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13.333 6.805l4.213 7.297-13.256 3.223c-.572.133-1.068.333-1.492.604l-.227-.393c.525-.293.929-.675 1.227-.993l9.535-9.738zm.332-2.626l-11.011 11.244c-.616.66-1.164.977-1.857.977-.244 0-.507-.04-.797-.117l2.646 4.585c.258-1.094.814-1.708 2.006-1.985l15.348-3.732-6.335-10.972zm.31 13.951l-.467 2.118c-.094.378-.391.674-.77.771l-2.951.774c-.365.095-.754-.012-1.018-.28l-1.574-1.712 1.605-.395.646.77c.176.177.433.248.675.186l1.598-.425c.252-.064.449-.261.511-.512l.161-.906 1.584-.389zm8.719-11.267l-2.684 1.613-.756-1.262 2.686-1.612.754 1.261zm-4.396-1.161l-1.335-.616 1.342-2.914 1.335.617-1.342 2.913zm5.619 6.157l-3.202-.174.081-1.469 3.204.175-.083 1.468z"/></svg>
\ No newline at end of file