In general, having the product keys for your Microsoft products is a good idea. The easiest way to grab those product keys is from the product box, or in the case of Windows, from a sticker on your PC ...
When trying to activate or use Office products, we get the Microsoft (Office) 365 Product Key installation error 0x80070005. This error is faced by a lot of Office ...
You just replaced your PC's hard drive, but now you have to reinstall and reactivate Windows or Office on your new system. Can you do it without the product keys for ...