diff --git a/README.md b/README.md
index 1a84b33..8e3a15b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,17 @@
-# SysDesk-Data_acquiring_tool
+# Data acquiring tool for SysDesk
 
+## Changelog
+
+### V1
+* Saves CSV to ./datafile.csv
+* Saves system Config/settings to ./$SysID/$Sysid.txt
+
+-----
+### V2
+* Saves CSV to ./datafile.csv
+* Saves system Config/settings to ./$Sysid.txt
+
+-----
+### V3
+* Saves CSV to ./$dataFolder/datafile.csv
+* Saves system Config/settings to ./$dataFolder/$Sysid.txt
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