How to reset to factory settings on computer with windows 8 removed and Linux Ubunto Kylin installed

4woodie
4woodie Member Posts: 3 New User
edited November 2023 in 2018 Archives
alt f10 doesn't work because widows has been removed. Can you suggest another method of resetting as I wish to remove the Linux O/S and reinstall windows 8 or 10 so I can continue using this machine. 

My computer is a Acer Aspire 5738/5338 series 

Model no. M52264 with Pentium chip and had Windows 8 preinstalled

********************* is the NO. appearing in battery housing when battery removed

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