As we all know, there are many folders of importance in windows system cannot be deleted. So most of them are hidden by default. If you want to check the folders or files, you may need to change some settings in windows. Here is the instruction to tell you how o unhide folders in windows.

1. Click the “Start” menu button and go to “Control Panel”.

2. Click “Appearance and Personalization—-Folder Options.”

3. Now you can change your folder options. Click the “View” tab at the top of the window.

4. In “Advanced Settings”, click the button next to “Show hidden files and folders.”

5. Click “Ok” to save your settings.

6. Now you’ve successfully unhide your folders and files in Windows.

XnView is a software  to view and convert graphic files, really simple to use.  XnView is provided as freeware for private non-commercial or educational use (including non-profit organization). Here is the instruction to tell you how to use it.

1. Download XnView from here:

http://www.filepuma.com/download/xnview_2.32-8372/

2. Here are the basic toolbar instruction:

Browser – for organizing and renaming your images.

Open – open your images for digital changes.

Search – Search for a file by its name, size, location, and a sundry of others.

Scan – If you have a scanner or a digital camera you can ‘acquire’ the pictures with this button.

Convert – you can batch convert files

Capture – Do a screen capture for whatever you might need screenshots for.

Quick slide show – Create a quick slide show with a collection of pictures or images.

Options – Make any changes in XnView that you need to do

VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Users can run multiple instances of different guest operating systems from a single host machine with it. VirtualBox allows for a number of settings to be specified by the BIOS. Here is a instruction to tell you how to change the Virtual Box BIOS.

1. Launch VirtualBox.

2. Select the virtual machine need to be edited, then click the “Settings” button.

3. Click the “System” section. In this section, you could change boot order or CPU settings.

4. Click the “Display” section to enable or disable graphical acceleration and limit the amount of graphics memory.

5. In the “Storage” section, you can edit your hard disk controllers.

6. Click the “Network” section to edit your network adapters, enabling or disabling various features as you would in a host machine’s BIOS.