How Can I Install Windows Without the Disk

You can legally download Windows 7 and make your own install disc. Most of computers ship without Windows 7 installation discs. They come with recovery discs and partitions that claim to restore your PC to its factory  state.

You'll learn how to make your own Windows  installation disc or USB flash drive. You can use the valid product key you already have to perform a fresh installation. The following method is effective and legal, and doesn’t require a lot of technical expertise.

First you have to save your files and drivers to external media before you start. Reinstalling Windows wipes out all personal data and causes a loss of functionality in devices for which Windows lacks an adequate built-in driver.

Reinstalling Windows 7, Step by Step

1. Find your Windows 7 product key: Typically this 25-character alphanumeric string is printed on a sticker affixed to your PC or on documentation included with your PC. Alternatively, you can use a key finder program such as Magical Jelly Bean Keyfinder to pull your product key from the Registry. You need your product key to reinstall Windows. Magical Jelly Bean Keyfinder helps you round up your serial numbers.

2. Download the ISO file for the version of Windows  you own

Home Premium SP1 (English, 64-bit)
Professional SP1 (English, 64-bit)
Ultimate SP1 (English, 64-bit)
Home Premium SP1 (English, 32-bit)
Professional SP1 (English, 32-bit)
Ultimate SP1 (English, 32-bit)

The above links point to Digital River, a licensed distributor of Microsoft software. These downloads are each over 3GB, and your product key will work only with your edition of Windows, so make sure to select the right one.

3. Download the Windows 7 USB/DVD download tool. This utility lets you copy your Windows 7 ISO file to a DVD or USB flash drive. Whether you choose DVD or USB makes no difference; just confirm that your PC can boot to the media type you select.

4. Boot your computer using the Windows 7 DVD or USB flash drive. Follow the prompts to prepare the destination hard drive and install Windows.

How Can I Try Windows 8

 Did you you ever asked yourself how is going to be Windows 8? You can try Windows 8 Release Preview. Go to this link and download windows 8 iso image. Burn it to DVD and install. You cal also install into virtual machine without affecting your system. If you dont know anything about virtual machines i can post later how to install virtual machines.

Links: http://windows.microsoft.com/en-US/windows-8/release-preview

How Can I Refresh Windows 8 Without Losing Apps and Files

Windows 8

 Windows 8 has an awesome feature which lets you refresh your Windows 8 installation without losing any data, apps and customizations but, you Windows 8 copy is refreshed with new files. This feature removes the need to re-install whole Windows 8 and it also takes less time for installation.

The refresh option of Windows 8 is automatic and you don’t need to do anything after the process has started. This tutorial will guide you on how to refresh your Windows 8 RTM installation.

What will happen?

Amazing Photo Collection

Its really amazing just try it. 
With Photosynth you can:

• Walk or fly through a scene to see photos from any angle.
• Seamlessly zoom in or out of a photo whether it's megapixels or gigapixels in size.
• See where pictures were taken in relation to one another.
• Find similar photos to the one you're currently viewing.
• Send a collection - or a particular view of one - to a friend.

Link: http://photosynth.net/

Google Gears Beta - Enabling Offline Web Applications

   Gears provides three key features:

• A local server, to cache and serve application resources (HTML, JavaScript, images, etc.) without needing to contact a server
• A database, to store and access data from within the browser
• A worker thread pool, to make web applications more responsive by performing expensive operations in the background

Google Gears is currently an early-access developers' release. It is not yet intended for use by real users in production applications at this time.
Link: http://gears.google.com

Listas - All Your Lists in One Place

   Listas is a tool for the creation, management and sharing of lists, notes, favorites, and more. It allows you to quickly and easily edit lists, share them with others for reading or wiki-style editing, and discover the public lists of other users.  We encourage you to try using it for meeting notes, bookmarks, shopping lists, to plan a night out, or whatever other creative ways you can think of.
In the Listas Community Section, you will find a number of highlights of the most popular and random items from around the community of public lists such as the most used tags, the hottest lists, and prolific contributors.   You can even add others’ lists (or any RSS feed) to your own Listas so you are always up to date.
Link: http://listas.labs.live.com/