diff --git a/README.md b/README.md
index 5b9d5a9..573c8f3 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,40 @@
 Mastodon in mind, but can be used for other contexts, of course.
 
 It has a text interface and uses a SQLite-database.
+
+## Usage
+
+```PLAIN
+$ whyblocked
+This is whyblock 0.1.0.
+Type add, remove, view or details. Or just the first letter.
+: v
+ Blocked: @baduser@social.example.com because: Is very mean
+Silenced: @truebelievers.example.com because: Annoying instance
+: d
+Which user?
+@baduser@social.example.com
+@baduser@social.example.com is blocked, because: Is very mean
+Receipts:
+  https:///social.example.com/@baduser/123456789012345678
+: q
+```
+
+## Install
+
+### Dependencies
+
+* C++ compiler (tested: gcc 6/7/8)
+* [cmake](https://cmake.org/) (at least 3.7)
+* [vsqlite++](http://vsqlite.virtuosic-bytes.com/) (tested: 0.3.13)
+* [libxdg-basedir](http://repo.or.cz/w/libxdg-basedir.git) (tested: 1.2)
+
+### Compile
+
+```SH
+mkdir build
+cd build
+cmake ..
+make
+make install
+```