Update README.md

README.md

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 # profileminer
 A GUI which scrapes user profiles from popular websites.
 
+# System requirements
+
+- Linux OS
+- CUDA installation
+
+# Installation
+
+Simply download the executable from the releases page onto your Linux machine.
+
+You need to accept the License Agreement to use the software.
+
+# Usage
+
+You can specify a single username, a list of space-delimited usernames, or else import the usernames from a csv file.
+
+The output will be saved in the same directory as the executable.
+
 
 <img width="494" alt="Screenshot 2022-08-02 at 19 17 08" src="https://user-images.githubusercontent.com/110480830/182435161-abfde60b-168a-4d05-889c-239c5cf97da9.png">