Member Avatar for Stavros_1

Hello

I am trying to upgrade my Windows 8 Enterpise PC to Windows 8.1 Enterprise everything goes ok
up to the point where the install wizard ask to choose what I want to do with my current data and
files. The problem is I only get to choose one option and that is to erase all previous data.
(A new installation practically)

Thank you in regards
Steve

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Dani AI

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For : this is a common setup behavior and usually not a mystery — the installer is deciding on a clean install because the current run-mode or media don’t meet the in-place upgrade preconditions. is right that Store vs ISO matters for non-Enterprise editions, but for Enterprise the crucial points are how the ISO is launched and whether the media exactly matches the installed Windows (edition, language and architecture).

Checklist and practical steps to get the “Keep” options back:

  • Confirm the installed OS exactly (Windows 8 Enterprise, 32‑ or 64‑bit, and language). Mismatched architecture or language will force a clean install.
  • Make sure the 8.1 Enterprise ISO is the correct edition (Enterprise) and matches architecture/language. If in doubt, re-acquire the ISO from Volume Licensing.
  • Do not boot from the DVD/USB. Mount the ISO (or insert the DVD) while Windows 8 is running and run setup.exe from inside the running OS. Running setup from a booted installer generally only offers a clean install.
  • Before running setup: suspend BitLocker, uninstall or disable third‑party antivirus/drive utilities, and free up disk space (leave at least several GBs). Back up user data regardless.
  • Choose the option to get important updates during setup — that can resolve compatibility checks that would otherwise block an in-place upgrade.
  • If the installer still shows only “erase,” check the Windows Setup logs for the reason (setupact.log / setuperr.log in the Panther folder or under $WINDOWS.~BT\Sources\Panther). Those logs will state the specific block (edition/language/driver/utility conflict).

If all preconditions are met and logs still show an unexplained block, the safest route is a full backup (or system image), perform the clean install, then restore data or reimage — that avoids data loss.

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Member Avatar for CimmerianX

Are you upgrading through the windows store or from a downloaded ISO. From what I understand, if you use the ISO you can do an in place upgrade. The store does not have that option.

Member Avatar for Stavros_1

It is Enterprise edition so it only works through an ISO or upgrade CD and Volume Licensing, thats why it is so puzzling for me

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