Hi there I'm trying to install Windows 7 on my MacBook Air, using a trial-version of Paralles 7. I downloaded the iso from and got the product key from there, too. But still it says 'Install Windows: The unattend answer file contains an invalid product key. Either remove the invalid key or provide a valid product key in the unattend answer file to proceed with Windows installation.
The best way to run Windows on your Mac When it comes to running Windows on a Mac, there are two main players: Parallels Desktop 7. Parallels Desktop 7 makes Windows-on-Mac fast, stable. After installing both Windows and Windows Support Software, you can switch back to macOS using the Boot Camp system tray item in Windows. Select the macOS volume, then restart your Mac. To switch from macOS to Windows, use the Startup Disk preference pane to select the Boot Camp volume, then restart your Mac.
OK' When I hit 'OK', Parallels reboots and the same error appears again. = What shall I do, now? = Is there any possibility to verify that my product key is still valid? (well it should be, I just received it 2 hours ago.) = Are there any related threads? = What else?
Cheers, Andy. Hi anerni: The issue likely does not involve validity of the license key. If you bought it from Microsoft, it should activate. Parallels does not confirm this code with Microsoft. I suspect you mistyped the product key and Windows is refusing to continue installation. Parallels can't continue express setup of Windows if the OS is refusing to accept the license code. Please check to ensure you correctly typed the code into the field before starting the install process.
Mixing up even one number/letter can stop the installation from succeeding. If this still does not help you solve your dilemma, please don't hesitate to post again! Regards, Ron. Did you try typing the code in manually? Also, you may want to try sans dashes. It has been some time since I set up windows 7 on Parallels, but I seem to recall a case where I was having the same issue you describe, and got around it by manually entering the key. Also, if the issue is still present, you could simply delete the VM file you are trying to set up Win7 on and recreate the VM.
It is possible the original key you provided is still being used. If you make a new VM and delete the old one, you can at least be sure the correct key is being used. Another option would be to avoid express install altogether. If you know how to install windows, you can install it on the VM as you would if it were a real computer. Then, the Windows install will ask you for the key and you can enter it during the install process.
(This is the method I always use.) Sorry you are having issues. Installing Win7 = The product key is not valid I successfully installed my copy of Windows 7 upgrade version in a Parallels VM three years ago. But when I started having problems with that recently I created a new VM and tried reinstalling Windows 7, but get the 'product key is not valid' error. I gave up on the Express install and did this one manually, and also typed in the product key manually.
Yes, I've quintuple-checked it. I checked the hardware config on the VM and floppy disk is not connected (of course I don't have one, but that probably doesn't matter). Thinking the problem was due to the fact that I'm attempting to install an upgrade version (despite the fact there is no error message to that affect and that I was able to install it three years ago) I tried installing my XP.
Unfortunately it was an upgrade version too, and I did get an error message to that effect. So I dug out my Win98SE disc, which was not an upgrade, and was unable to install it at all; apparently it is too old. Any suggestions?
I successfully installed my copy of Windows 7 upgrade version in a Parallels VM three years ago. But when I started having problems with that recently I created a new VM and tried reinstalling Windows 7, but get the 'product key is not valid' error. I gave up on the Express install and did this one manually, and also typed in the product key manually. Yes, I've quintuple-checked it.
I checked the hardware config on the VM and floppy disk is not connected (of course I don't have one, but that probably doesn't matter). Thinking the problem was due to the fact that I'm attempting to install an upgrade version (despite the fact there is no error message to that affect and that I was able to install it three years ago) I tried installing my XP.
Unfortunately it was an upgrade version too, and I did get an error message to that effect. So I dug out my Win98SE disc, which was not an upgrade, and was unable to install it at all; apparently it is too old. Any suggestions?
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