Why does your computer need Windows?
A computer does not need Windows. It does need, however, an operating system in order to do anything useful. Windows is the most popular operating system for computers, but there are others, such as Linux, FreeBSD, Solaris, and OS X (for Macs).
I recently purchased a computer with Windows 7 home edition. Now I have a Windows 7 professional. How do I upgrade my computer to Windows 7 professional?
I take it that you are referring to the "Clipboard Viewer" application, which has been removed from Windows Vista for unknown reasons. You can, however, copy the Clipboard Viewer from a Windows XP computer to your Vista computer: Look for the file C:\windows\system32\clipbrd.exe on your windows XP computer. Copy that to your Vista computer and paste the file wherever you need it. Double-clicking on the icon will enable you to open the Clipboard Viewer.
You need an older version of windows on a bootable memory stick or disk. you need to backup all the stuff you want to keep, or you'll lose it. Then reboot your computer pressing F12 or F8, or whatever you have to press on your computer to boot from another source. Then follow the instructions provided to install the older version of windows that you want. MAKE SURE YOU BACK UP ALL THE STUFF YOU…
Get a bootable device such as the Windows 7, 8 or 10 DVD, or put it on a USB. You will need access to another Windows computer to be able to do this. Just follow all instructions from this Microsoft Windows website. This one is specifically for Windows 10, but for other Windows operation systems just do the same with a different bootable file. bit.ly/1RjVvLI
You just have to sign in on that computer the same as you did before on the previous computer you were using. if you don't have windows messenger then i would suggest downloading it. if you do just click into it and sign in like it's your first time. here is a link to a windows messenger download if you need it http://download.live.com/messenger