diff --git a/Tools/HDFView/README.md b/Tools/HDFView/README.md
index 662289f..40fc7d0 100644
--- a/Tools/HDFView/README.md
+++ b/Tools/HDFView/README.md
@@ -1,5 +1,21 @@
 # Build HDFView module
 
+## Notations
+
+`$P`: Package name here HDFView
+`$V`: Package version
+
 ## Download
 
-https://www.hdfgroup.org/downloads/hdfview/
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+Download the package from https://www.hdfgroup.org/downloads/hdfview/. The compressed tar-file contains a shell-script installer.
+
+## Install
+
+1. Unpack the downloaded tar-file
+1. HDFView is installed in the group 'Tools'
+2. change to the directory `/opt/psi/Tools'
+3. Run the installer script
+4. Accept the license
+5. Answer 'no' to the question "Do you want to include the subdirectory HDFView-$V-Linux?"
+6. HDFView will be installed with the relative path `HDFView/$V`
+7. 
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