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    Check documents on compatibility, FAQs, upgrade information and available fixes.
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    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
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HP Recommended
HP ProBook 450 15.6 inch G9 Notebook PC (6K4Y0AV)
Microsoft Windows 11

I'm trying to get my Windows 11 upgraded to version 24H2. The required free space on C drive is min 40 GB. I had 57 GB free, still getting the message Install error - 0xc1900201. I increased the free space to 105 GB, still getting the same message. 

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