Cleaning up install instructions

INSTALL.md

@@ -1,9 +1,5 @@
 # Installing WoW Backup
 
-This guide provides step-by-step instructions for installing and running **WoW Backup** on macOS, Windows, and Linux.
-
----
-
 ## Download
 
 Download the appropriate installer for your platform from the **[latest release](https://git.asarius.site/rukira/wow-backup/releases)**:
@@ -16,7 +12,7 @@ Download the appropriate installer for your platform from the **[latest release]
 
 ---
 
-## macOS Installation
+## macOS
 
 1. Download the `.dmg` file from the latest release.
 2. Double-click the `.dmg` file to mount the disk image.
@@ -34,7 +30,7 @@ To launch the app for the first time:
 
 ---
 
-## Windows Installation
+## Windows
 
 1. Download the `.msi` installer from the latest release.
 2. Double-click the `.msi` file to start the installation wizard.
@@ -48,7 +44,7 @@ If Windows Defender SmartScreen flags the installer (*"Windows protected your PC
 
 ---
 
-## Linux Installation
+## Linux (Experimental)
 
 1. Download the `.deb` package from the latest release.
 2. Open your terminal in the download folder and install the package: