diff --git a/README.txt b/README.txt
index 2206088..aa392c3 100644
--- a/README.txt
+++ b/README.txt
@@ -16,10 +16,10 @@
 with ten fingers can work very fast.  Additionally, function keys can be
 mapped to commands by the user, and the mouse can be used.
 
-Vim runs under MS-Windows (XP, Vista, 7, 8, 10), macOS, VMS and almost all
+Vim runs under MS-Windows (7, 8, 10, 11), macOS, Haiku, VMS and almost all
 flavours of UNIX.  Porting to other systems should not be very difficult.
-Older versions of Vim run on MS-DOS, MS-Windows 95/98/Me/NT/2000, Amiga DOS,
-Atari MiNT, BeOS, RISC OS and OS/2.  These are no longer maintained.
+Older versions of Vim run on MS-DOS, MS-Windows 95/98/Me/NT/2000/XP/Vista,
+Amiga DOS, Atari MiNT, BeOS, RISC OS and OS/2.  These are no longer maintained.
 
 
 DISTRIBUTION