Fietspomp7777

You will need to do a clean install of Windows 10. Boot to the Windows 10 disk and follow the prompts to create the Windows partition to install the OS. Below are some links to help you get Windows 10 installed.

Windows 10: Clean Install Windows 10 (tutorial)

Windows Operating Systems Support

Inspiron 5758 Drivers, Downloads and Manuals

Driver Installation Order

Backup Media and Recovery Media

Thanks! worked a treat!