It took over 24 hours, but I managed to get Windows 10 on an ancient Acer Aspire 7720 : r/Windows10
Drivers Acer Aspire 7720 (Windows® 7 32-bit, Windows Vista® 64-bit, Windows Vista® 32-bit, Windows® XP 32-bit) - download drivers for: VGA, Wi-Fi, Audio, Chipset, Lan, Touchpad, Bluetooth and etc.
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Drivers Acer Aspire 7720 (Windows® 7 32-bit, Windows Vista® 64-bit, Windows Vista® 32-bit, Windows® XP 32-bit) - download drivers for: VGA, Wi-Fi, Audio, Chipset, Lan, Touchpad, Bluetooth and etc.
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Drivers Acer Aspire 7720 (Windows® 7 32-bit, Windows Vista® 64-bit, Windows Vista® 32-bit, Windows® XP 32-bit) - download drivers for: VGA, Wi-Fi, Audio, Chipset, Lan, Touchpad, Bluetooth and etc.
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Drivers Acer Aspire 7720 (Windows® 7 32-bit, Windows Vista® 64-bit, Windows Vista® 32-bit, Windows® XP 32-bit) - download drivers for: VGA, Wi-Fi, Audio, Chipset, Lan, Touchpad, Bluetooth and etc.