Update README.md

Author: virtualox

README.md

@@ -1,2 +1,52 @@
-# Clear-WindowsUpdateCache
-Script to Clear the Windows Update Cache to free up diskspace
+## Contents
+ - [Description](#description)
+ - [Usage](#usage)
+ - [FAQ](#faq)
+ - [Tested on following Windows Versions](#tested-on-following-windows-versions)
+
+## Description
+
+This is a PowerShell script to the Clear the Windows Update Cache. The Windows Update Cache is a special folder that stores the update installation files. It is located at the root of your system drive in *C:\Windows\SoftwareDistribution\Download*.
+
+## Usage
+
+You can run the script directly from Windows Powershell, there are no extra command line options or parameters needed.
+
+## FAQ
+
+**Q:** Can I run the script safely?  
+**A:** Definitely not. You have to understand what the functions do and what will be the implications for you if you run them. **If you're not sure what the script does, do not attempt to run it!**
+
+**Q:** What Windows Versions are compatible with this script?  
+**A:** See [Tested on following Windows Versions](#tested-on-following-windows-versions).
+
+**Q:** Are elevated rights needed to run this script?  
+**A:** Yes, you'll need administrator rights to delete files and folders under systemdirectories.
+
+**Q:** Did you test the script?  
+**A:** See [Tested on following Windows Versions](#tested-on-following-windows-versions).
+
+**Q:** I really like the script. Can I send a donation?  
+**A:** Feel free to send donations via [PayPal](https://paypal.me/VirtualOx). Any amount is appreciated, but keep in mind that donations are completely voluntary and I'm not obliged to make any script adjustments in your favor regardless of the donated amount.
+
+## Tested on following Windows Versions
+
+Verified on the following platforms:
+
+|Windows Version         |Yes/No?|
+|:-----------------------|:-----:|
+| Windows Server 2019    | No    |
+| Windows Server 2016    | Yes   |
+| Windows Server 2012 R2 | Yes   |
+| Windows Server 2012    | Yes   |
+| Windows Server 2008 R2 | Yes   |
+| Windows Server 2008    | Yes   |
+| Windows Server 2003    | No    |
+| Windows 10             | Yes   |
+| Windows 8              | No    |
+| Windows 7              | Yes   |
+| Windows Vista          | No    |
+| Windows XP             | No    |
+| Windows 2000           | No    |
+
+It is likely to work on other platforms as well. If you try it and find that it works on another platform, please let me know.