Not necessary, you can install a newer version in the another partition. If you do everything right you will have two operating systems or more on the same computer.
what this person has said is true, but sometimes that option does not come up or without your knowing it canreplace the old one, all new technology or latest versions do this so be very careful!
Buy the other version and install it.
No your windows 7 will not deleted
Virtualbox is a program that you can install and will enable you to install another operating system on your computer. It will share the ram and CPU power of your other OS. For example if you are running Linux and install virtualbox you can then install windows (any version) and run it as if it were a windows computer, You could install and run any windows software. This is one example of using a virtual machine. At this link you can download the program and find the documentation and some screenshots, etc. http://www.virtualbox.org
If you are currently running a 32-bit version of Windows, you can only perform an upgrade to another 32-bit version of Windows. Similarly, if you are running a 64-bit version of Windows Vista, you can only perform an upgrade to another 64-bit version of Windows Vista. If you want to move from a 32-bit version of Windows to a 64-bit version of Windows Vista, you'll need to back up your files and then perform a custom installation of the 64-bit version of Windows 8. For more information, visit the Related Link:
You can install it, but only one of them will be activated. The others can last up to 120 days, using the rearm method.
no sorry it is not possible as the previous version will be over written by the newer version you upload, invest in a hard drive that way you can save one on the hard drive and the other on computer!
The same people who created every other version of Windows: Microsoft.
Yes, they work on every other windows version.
This generally isn't possible. When you install a program, it usually adds special entries to the Windows Registry. These entries wouldn't be present in the registry of the other version of Windows, so the program wouldn't work correctly.
I think you can , log on to wikihow and select Recover Deleted History in Windows
Check cables again, switch cables with known good cables. Check IP. Make sure all 192 first. Try loading drivers for a newer version printer.
Install program