>If you use an SSD (solid state drive) it won't really matter any longer. SSD's are much faster than hard drives, and do not suffer as noticeable performance degradation from file fragmentation.
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>In addition, by default Windows uses Superfetch, which is a program designed to monitor what is used most often and keep those files in an optimum position for you, even pre-loading them into memory, so even if your drive is largely fragmented, the things used most often won't see any noticeable degradation in performance because of it.
I have a Samsung disk SSD.
https://ssd.userbenchmark.com/SpeedTest/396/SAMSUNG-MZNTD256HAGL-00000I also have a VHD for my main data on drive d:.
Something appears to make things go slower as months go by. I am still trying to find the reason.