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README.md

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-# NanoQES
+### NanoQES
 Powershell script to solve quadratic equations.
+
+### Requirements:
+- OS: Microsoft Windows (Recommended, support for other OS is not tested)
+- Powershell 6.0+ (Recommended)
+
+### Features:
+- Easy to use
+- Light-weight script (~9KB)
+- Instant solution
+- Support for all types of quadratic equations
+- Step by step solution function
+- Two languages to select (English, Ukrainian)
+
+### Things to do before execution:
+ 1. Make sure PowerShell 6.0 or newer version is installed on your PC. </br>
+    If version doesn't meet requirements, you can download newer version from official repo: </br>
+    https://github.com/PowerShell/PowerShell/releases
+
+ 2. Give permission for script execution. </br>
+    Open PowerShell under administrator rights and execute following command: </br>
+    ```Set-ExecutionPolicy Unrestricted -Force```