Updated README

Author: JustChickNugget

Images/MainWindow-DarkTheme.png

@@ -6,23 +6,31 @@ Easily backup some or all of your Terraria players and worlds.
 
 ## System Requirements 
 
-### Version 1.1.0 and newer
+### Version 2.0.0 and newer
 
-- Windows 10/11 (64-bit)
+- Operating systems:
+  - Windows: 8.1 / 10 / 11 (x64 / arm64)
+  - macOS: 10.14 / 10.15 / 11 / 12 / 13 / 14 / 15 (x64 / arm64)
+  - Linux: Debian 9+, Ubuntu 16.04+, Fedora 30+ (x64 / arm64)
+- [.NET 9.0 Runtime (64-bit)](https://dotnet.microsoft.com/download/dotnet/9.0)
+
+### Version 1.1.0
+
+- Operating systems:
+  - Windows: 10 / 11 (64-bit)
 - [.NET 9.0 Desktop Runtime (64-bit)](https://dotnet.microsoft.com/download/dotnet/9.0)
 
 ### Version 1.0.0 and older
 
-- Windows 10/11 (64-bit)
+- Operating systems:
+  - Windows: 10 / 11 (64-bit)
 - [.NET 8.0 Desktop Runtime (64-bit)](https://dotnet.microsoft.com/download/dotnet/8.0)
 
-## Usage
-
-There is no need to install the program, it is already ready to run.
-
 ## Screenshots
 
-![MainWindow.png](Images/MainWindow.png)
+![MainWindow-LightTheme.png](Images/MainWindow-LightTheme.png)
+
+![MainWindow-DarkTheme.png](Images/MainWindow-DarkTheme.png)
 
 ## License