Windows 7 Build 7100 Activation Problems and Solutions - Tips and Tricks
windows 7 and windows server 2008 r2 offer a number of solutions, but some of the more difficult to resolve problems, especially involving the activation of new hardware are not yet entirely resolved in windows 7. some, such as lenovo and hp computers, have added the "oemid_chk" and "oemid_slpcheck" registry keys to the system. if you encounter difficulty with either of those keys, you can use the image included in this page to create your own key. if you're already using windows server 2008 r2, we recommend that you follow the steps outlined in "microsoft solution: reset windows activation key or reset windows 7 activation" for two additional backup methods.
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to activate windows 7 using system-level activation (sla), sign in to windows 7 with your microsoft account (assuming you have one) on the computer on which windows 7 is installed. from the start menu, select settings and then select update and security. to get to the activation options page, click change pc settings under system. at the bottom of the activation options page is a link to system-level activation (sla). you can choose from standard, enterprise or media center key.
once windows 7 has been activated and you are ready to activate a product, use the product key you received along with your date of purchase to contact your product manufacturer for a license activation key for your product. windows 7 is a simple and straightforward install. but if you choose to also activate windows media center, you will need to bring down your windows media center software from the cd/dvd or dvd provided with your windows 7. to bring down the dvd or cd: