Win7 are usually set to English. How about for those people who don't speak English and wanted to use the computer using their own language? Vistalizator comes in to help. Without reformatting the computer to initially set the language, you can install this multilanguage pack and set to whatever language you require it to.
Here are the steps:
1. Go to this site and install Vistalizator. Go back to site then look for available language packs, like Arabic, Spanish, Chinese, etc., then download your language packs. Save in your desktop for easier storage. MUI stands for Multilanguage User Interface. Your download usually has MUI on it.

2. Double-click on the downloaded file so Vistalizator window will open. Click on Add Languages, and select the file that you saved in your desktop, and finally click Open.

3. Click "Install Language" and wait until this finishes the installation.
4. Confirm window will come out saying "Done! Do you want to make Arabic language the new display language?". Select Yes.
5. Press OK. And you'll notice that there are 2 languages installed on the Vistalizator window (2nd image from this blog) English and Arabic. Click Exit and the computer reboots.
In case you encounter error during the installation, pls refer to this guide.

If for some reasons you wanted to downgrade your blackberry software, if your new software has a lot of bogus applications and or problems, follow these steps:
1. Connect your blackberry to your computer, but make sure that Blackberry Desktop Manager is installed.
2. Open BDM, and check if the blackberry is recognized. If not, remove the blackberry again and put it back.
3. Click Device > Update >If there's no update, the computer will show you "There are no Blackberry Software update available." Otherwise, you can update your blackberry to the newest.
4. Click on "View other version", then you will see somewhat like the picture above.
5. Select your best operating system by selecting it and clicking "Install".
You're done!

iOS5 is the latest of the operating system for devices such as iPad, iPhone, and iPod Touch.  Upgrading your old iPhone or other apple mobile devices into iOS5 will not guarantee the users free of defects. There is a major leap from 4 to 5 with the latest of specs and features for the OS, that is why it is always a rule of thumb to wait for 5.1. This will be a better choice since whatever problems that surfaced in the iOS5 will be straightened out. Some of cool features of iOS5 are:

1.    iMESSAGE. Text, photos, videos, contact and location messaging between 2 apple devices is free. Group messaging is enabled as long as all devices are connected to wifi or 3G.
2.     NOTIFICATION CENTER. All notification comes into one place, with a selection of notification types like banner notifications, classic pop-up notifications, or no notification???
3.   TWITTER. For that twitter-addict, there is already integration into iOS5. New Tweet sheet supports multiple accounts for photos, camera, maps, youtube, and safari.
4.     PHOTOS.Built-in photo editing app.
5.     iCloud, if you know what it means then it is included.
6.     NEWSSTAND. All-in-1 display of your favorite magazine and newspaper app subscriptions.
7.     REMINDERS. Nothing new and not a super-updated application for smart phones.
8.     CAMERA. From the lock screen, you can use the camera app for unexpected moment.
9.    SAFARI. A new world of safari interface is presented. An update into the iOS5 will bring the experience you haven’t felt from the previous browser.
10.   PC FREE. Without connecting to your computer, you can update, download, upload anything into iCloud. No mess anymore.