update: readme

Author: WEGFan

README.md

@@ -1,8 +1,12 @@
-# Geometry Dash Profile Fix
+# Geometry Dash Savefile Fix
 
-This tool can fix most problems caused unable to open the game by the save files. (double clicking the game won't bring up any window, but moving the save files to other folders can open the game)
+This tool can fix most problems caused unable to open the game by the savefiles. (which is the game will only launch if you move the savefiles to other folders)
 
-If you encounter any problem (unable to fix / doesn't work after fixed), feel free to create an issue.
+## Installation
 
-*****
-Decrypter code downloaded from https://pastebin.com/JakxXUVG by [Absolute Gamer](https://absolllute.com/)
+You need to install at least [Python 3.6](https://www.python.org/downloads/) to run this program.  
+Or just download the [release](https://github.com/WEGFan/Geometry-Dash-Savefile-Fix/releases) for Windows (Windows XP not supported, sorry) so you don't need to install Python.  
+
+## Not working?
+
+If you encounter any problem (unable to fix / doesn't work after fixed), feel free to [create an issue](https://github.com/WEGFan/Geometry-Dash-Savefile-Fix/issues/new) or contact me on Discord (WEGFan#1440).