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.
Adobe Photoshop CS6 comes with many great features, let me show you how to turn a daylight photo into a photo that looks like it's been taken at evening, sundown or at night with only a click.
It's highly recommended to protect your computer against Virus, Malware, Spyware and other potential threats. Microsoft Security Essentials is one of the better, free solutions.
Opening or changing the battery cover on Nokia Lumia 820 can be a bit tricky if you don't know where to begin. Let me show you the easiest way without doing any damage.
If any file can not be deleted, then you can use the program LockHunter, which removes the active connections of other applications to that file, which allow you to change or delete file.