To ensure the authenticity of a document you have to sign the document with the certificate. I will show you how you can easily sign PDF document with the help of simple tool DigiSigner.
Windows 7 have a nifty feature which combines the windows of opened applications under the same taskbar button. If you don't like it you can always turn it off.
After a certain Windows 8.1 update, icons and text disappear from Outlook and Lync 2013 tiles. All you can see are two blank blue tiles. Let me show you how to bring back icons and text.
You don't need to be a developer, and IT employee or a manufacturer to be able to get the 90-days evaluation version of Windows 8 Enterprise and you don't need to use the torrents to get it as well.