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#11
I have an ACER PC and am capable of doing a "Clean Install". I choose not to since cleaning up the so called "bloatware" is not onerous for my ACER at least.
To do a clean install you need to get hold of an installation DVD or ISO and MS don't distribute them. Once you do a clean install you will probably need to readdress partitioning anyway.
ACER's typical default partition configuration is Factory Recovery; System Reserved; Windows OS; Data/user partition.
Once you have a new configuration you will or should be relying on imaging to get you back to any clean starting point.
Again a good image of the Recovery partition is well worth making.
I operate this way quite adequately.