My windows 10 installation has broken and won't get past boot sequence. I want to try and do a system restore. I could download the ISO from microsoft and load onto a usb but I don't have a usb drive that's big enough for the 4.4GB it needs.

I'm pretty sure I had system restore making backups before the thing broke. Is there a smaller recovery ISO that I can get my hands on? I don't think I need ALL the win10 system files to do system restore do I?

  • 1
    The simplest answer is to buy a drive that's big enough: they aren't expensive, and you are going to need one sooner or later. Otherwise, you'll spend a great deal of time and effort trying to avoid a trivial expenditure. I would suggest at least 16GB: you never know how big Windows is going to get. They are priced from under £6 in UK.
    – AFH
    Nov 6, 2017 at 0:18
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    They sell 8GB USB storage devices for under $10. You can also create a bootable optical disk for under $0.50 provided you have a drive and a blank disk
    – Ramhound
    Nov 6, 2017 at 0:39

1 Answer 1


The minimum size of 1709 iso for 64-bit is 4.42GB, Enterprise edition is even bigger.

32-bit iso is 3.31 GB, but I don’t recommend to use it if your RAM is bigger than 2GB.

Just buy a 8 GB USB drive to create your bootable installation drive.

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