diff --git a/README.md b/README.md
index dd22fb4..372f20f 100644
--- a/README.md
+++ b/README.md
@@ -62,4 +62,22 @@ x     │             ****           ****
       └┴──────────┴──────────┴──────────┴──────────┴────ᐅ
        -1.0       -0.5       0.0        0.5        1.0   
                                 x               ×10^1 [m]
-```
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+```
+
+## Setup
+Installing from source:
+
+```shell script
+git clone https://github.com/bitromortac/plottoterminal
+cd plottoterminal
+python3 -m pip install --user .
+```
+
+Installing from pypi:
+```shell script
+python3 -m pip install --user plottoterminal
+```
+
+## Command line usage
+To plot a file composed of rows of x and y data separated by whitespace,
+run the command `$ plottoterminal file.xy`.
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