diff --git a/R/R_prereqs/README.md b/R/R_prereqs/README.md
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+Download the following files:
+
+1. R_prereqs_1.zip
+2. R_prereqs_2.zip
+3. R_prereqs_3 R-3.5.1 vol 1.zip
+4. R_prereqs_3 R-3.5.1 vol 2.zip
+5. R_prereqs_4 library vol 1.zip
+6. R_prereqs_4 library vol 2.zip
+
+Put all of the files in one folder called R_prereqs. 
+Put the files extracted from R_prereqs_4 library vol 1.zip and R_prereqs_4 library vol 2.zip into one folder called 'library', inside R_prereqs
diff --git a/R/R_prereqs/R_prereqs 3 R-3-5-1 vol 2.zip b/R/R_prereqs/R_prereqs 3 R-3-5-1 vol 2.zip
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diff --git a/R/R_prereqs/R_prereqs_4 library vol 1.zip b/R/R_prereqs/R_prereqs_4 library vol 1.zip
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diff --git a/R/R_prereqs/R_prereqs_4 library vol 2.zip b/R/R_prereqs/R_prereqs_4 library vol 2.zip
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