The author customized their Windows experience by changing the default browser, decluttering the Start menu, and preventing OneDrive from managing their files. They recently set up Windows 11 on a new mini PC and initially allowed OneDrive to back up their files, which led to confusion about file locations. They found Windows Search frustrating, as it redirected them to Microsoft's web version despite choosing a different search provider. The author refrained from altering Microsoft's recommended defaults, which made the system feel more aligned with Microsoft's agenda rather than their own needs. After three days, they reverted to their usual practices to regain control over their Windows experience.