How many times can install and uninstall and then re-install the retail copy of windows 7 (any version)) on different computers

I want to know that how many times can I install windows (any version) on different PC after unistall.

in other words, if I installed in a pc then uninstall, then install on a different computer (PC), then how many times can do this process or repeated in the life of windows time.

If you reinstall on the same computer, you can reactivate by phone until the 5th time, after that product Activation may be required. Moving to a new machine will require the activation of the product.

How to activate Windows 7 manually (activate by phone)
 
1) click Start and in the search for box type: slui.exe 4
 
(2) press the ENTER"" key.
 
(3) select your "country" in the list.
 
(4) choose the option "activate phone".
 
(5) stay on the phone (do not select/press all options) and wait for a person to help you with the activation.
 
(6) explain your problem clearly to the support person.
 
http://support.Microsoft.com/kb/950929/en-us

Tags: Windows

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