diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,16 @@
-# clist
+# CList
 
-A C-based item listing program.
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+A C-based item listing program.
+
+## Compatibility
+
+Windows 10/11   - Yes
+Debian 13       - Yes
+Debian 12       - Probably, but testing will confirm later.
+Arch Linux      - No, but support is coming.
+Ubuntu          - Probably, but testing will confirm later.
+Raspbian        - Probably not, compilation will be done later.
+
+© 2025 nnmfa28_ 
+
+Licensed under the GNU GPLv3.0 License. Always disclose source.
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