I had some issues with getting an Office 2013 Professional Plus 2013 trial when I first installed it from TechNet, và I had to reinstall it. When I tried khổng lồ activate it after reinstalling, I got the error Error 25004. The product key you entered cannot be used on this machine. This is most likely due khổng lồ previous Office 2010 trials being installed.

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I didn"t use up my trial period, & I only had it running for about a day before uninstalling it. I"ve tried everything, removing registry keys (HKLM and HKCUSoftwareMicrosoftOffice), removing files from Program Files, AppData, & ProgramData, và even got rid of some files from C:Program FilesComtháng Files (Office, OfficeSoftwareProtectionService, Source Engine).

I really don"t want to have sầu to lớn format my hard drive và reinstall Windows.


I had this exact same problem. Mine was khổng lồ vì chưng with the KMS activation failing after I mistakenly installed a O365 Small Business on a VPS and later realised I would need a VL install for terminal services RDPhường sessions. No matter what I did or what registry entries I deleted it didn"t work. One person suggested (This worked for them, but would not work for me):

Navigate to C:Program FilesCommon Filesmicrosoft sharedIf there is a thư mục called OFFICE15 or OfficeSoftwareProtectionPlatform, delete that thư mục.Navigate lớn C:Program Files (x86)Comtháng FilesMicrosoft Shared

So after hours of messing about, I figured out a work around.

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This will only help you if you can use a MAK key.

Uninstall any versions of office 2010 or 2013 you may have installed. OBVIOUSLY :) Reboot if required Copy your Office CD khổng lồ your HDD (you need to add some install instructions) Launch và admin commvà prompt & navigate to where you copied your CD files. Then run your office cài đặt with the comm& - setup.exe /admin (example c:2013>setup.exe cộ /admin) This will launch the Office Customization tool. Go to Licencing & user interface - select enter sản phẩm key - load in your MAK key with no spaces (it will insert dashes) - accept the licence agreementtệp tin - save - & name the file (eg. 2013.msp) và save sầu it lớn the updates folder within you office install. (eg C:2013updates2013.msp) exit the tool & commvà và run thiết đặt.exe as per normal. (you may need to lớn run as admin if required)

This worked for me & I hope it solves your issues too.