Hello dear friends, 

Lately I wanted to upgrade my computer from windows 7 to windows 8, but it keeps giving me an error that there is no enough space. I've used partition wizard,disk cleanup,and deleted almost all the application, hence right there are actually 43 GB of free space in my drive C. But I still keep getting the same errors which drives me mad. I would really appreciate if some one can provide any solution, I really do!

Sincerely, 

PA

How many partitions on the drive?  How much free space in the other partitions?  What are you installing it from (dvd. usb,etc)

Hi, Two partitions, drive C has 39.4 GB of free space , and drive D has 26.8 GB of free space. I've downloaded the windows from out university supported website which allows us to have an access to Microsoft applications for free. I've copied it in my external and copied again in my friend computer that needed to be updated. I did it twice before, both times it worked. But this time...

To mention that , the two times I've tried before wasn't on this computer, I've updated my another friend windows 7 to 8 in the same way plus mine

• Edited by Pouya Ataei 20 hours 19 minutes ago

Hi, Two partitions, drive C has 39.4 GB of free space , and drive D has 26.8 GB of free space. I've downloaded the windows from out university supported website which allows us to have an access to Microsoft applications for free. I've copied it in my external and copied again in my friend computer that needed to be updated. I did it twice before, both times it worked. But this time...

PA

Windows needs Space to copy the files from the installation media to a partition other than the install partition.  Your D drive space may just be the problem as the minimum for install is around 26GB.  The install also needs to creat a hidden boot partition of around 300 Mb  How big is the entire HD?

Well 111.6 , should I use partitioning tool to give some more to D ?

PA

It cant hurt to try it.  I would add about 5 gigs to D (if you can.)

I did it , but it doesn't just work, it's very stupid ! really none sense.

Same Error ! ! 

To mention that , the two times I've tried before wasn't on this computer, I've updated my another friend windows 7 to 8 in the same way plus mine

• Edited by Pouya Ataei Friday, June 27, 2014 2:29 PM

Windows 8 installation calls for a 350MB system reserved partition, while in Windows 7 installation, there is only 100mb, so the upgrade fails because of lacking in system partition.

Since the default System reserved partition cannot be extended, creating a new system volume is the workaround. Here are the steps to move the system volume to any other volume:

 1. Choose where you want to have your system volume. Few things you need to keep in mind:

    a. System volume can only be created on a primary partition of MBR disk.

    b. If system volume & boot volume are together, then BitLocker feature cannot be used to encrypt volumes on your machine.

2. Suggest creating a new volume (say F:) on the same disk that contains the boot partition of size of about 490 MB (be careful to keep it less than 500 MB).

3. From an elevated command-prompt run: bcdboot.exe /s C:\Windows /s F:.

4. From elevated command-prompt run: DISKPART

5. From the disk part command-prompt:

DISKPART> select volume F

DISKPART> active

Regards

If you have removed all your applications and only need the data in the existing system, I would try a fresh install of Windows 8.1 after backing up the data, because it will give you a lot of peace in future. Backup your data and boot from an external media and install. But still it is up to you if you want to do this way, otherwise I'll follow the steps mentioned by Wade Liu

Kind Regards