Upgrading system ASPIRE TC-605

bc5star
bc5star Member Posts: 1 New User
I have a system that was originally came with WIN 8.1 home, then upgraded to WIN 10 Home.  I disable the CSM and enabled the Legacy mode and installed WIn 7 PRO, then Upgraded to WIN 10 Pro, it worked... But when I enabled the CSM in BIOS and enabled the ACHI mode, I had to re-install WIN 10 but it will not install the Pro version and it continued to install WIN 10 Home instead of the Pro version. It did not ask which version I want to install. How can I install the Pro version ?

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