Windows 7 Professional SP1 20PC
- One-time purchase for 20PC
- Online Activation
- E-Mail delivery. No CD or USB will be dispatched
- Can only be used on Windows 7 Professional Version.
- Important Notice !!! - These keys activate online, but If you have any activation problems, You must install the below updates to activate online. Microsoft recently updated the SSL library and Windows 7 can't connect to Microsoft servers because Windows 7 is old and discontinued. These updates won´t even get installed automatically with Windows updates, it must be done manually. KB3102810 (64Bit) KB3102810 (32Bit) KB3138612 (64Bit) KB3138612 (32Bit)