Change the color of taskbar

First, right-click in the background of the desktop, and select Personalize option:
Will you open a window, where the lower part of her will see Window Color icon, click on it.
Choose one of the colors:
Click Save Changes to save the changes.

How to remove blue from background of Icons on Computer

Desktop icons with blue background does not look nice. Is the method by which you can remove this color and icons remain transparent.

1. Click Start> Settings> Control Panel. Double click on the System Icon and system properties window opens.
2. Click on the Advanced tab in the System properties window.
3. Click the Settings button.
4. Visual Effects tab, select (or tick) the option "Use drop shadows for icons labels on the desktop".

Blue color behind the icons will be removed and in its place will be transparent spaces.

Install new Fonts

Locate and download the font. Fonts easily found with a Google search with the term "free fonts." After you find the font you are looking for, download it. Has also when you have to "unzip" and pick up the original version of the font (. tff).
Once you file. tff, open fonts folder (Start> Search) and type fonts. Once you open the folder you put the font file there and everything is over, you have the font installed on your computer.
You can access on any program (example: Microsoft Word) and enter the name of the font fonts list, there will find your fonts.

Windows 8 Download

Here is official link of Microsoft to download Windows 8 Consumers Preview 

http://windows.microsoft.com/en-US/windows-8/download

After you download ISO image burn it on a CD or a USB Flash Disk (use Disk Image burner or USB tool)

http://windows.microsoft.com/en-US/windows-8/iso

Your name and your logo on Computer Properties

Go to Start > my computer> local disk :C >Windows >System 32>  and save a logo of yours with  name oemlogo.bmp than create oeminfo.info file with notepad and paste this with your informations.

[General]
Manufacturer=computer-se.blogspot.com
Model=Tutorial from Computer Science Blog

[Support Information]
Line1=Visit us
Line2=on our blog
Line3=Computer-SE.blogspot.com

How to take a picture of your computer ?

Windows 

1. Go on the part you want to print screen it 
2. Find the taste Print Screen or Prt Scr in your keyboard :

3.Open Paint or another pictures program and paste it or Ctrl+V

4.Save it 

Mac

1. Touch tastes Command-Shift-Caps Lock-4  together
2. With your mouse select the part you want to screen shot
3. And the picture is saved on your Desktop 

Create an amazing wallpaper with Paint

Open Paint then Image section that lies above, open the Attributes and there width: assign the value 2, as well as height: assign the value 2. But care must be pixels.
Then we click on View, then Zoom Custom and choose 800%. Now you can see a small white square.
Take pen and black ink on the left side click high white box, then in the left side below the place closed pink color, high on the right side put the color blue and yellow.
Now the box will appear with 4 colors and preserve desktop or where either.
We click with the right hand mouse button on the Desktop background, go to Properties Desktop option then Browse and find where you have saved the paper. We click once on then Open then OK.
Now your wallpaper working with paint and I believe you have been impressed with the work you did.

The wallpaper will be something like this it  :