A switch from one operating system to another involves habits, file formats and peripheral support as much as the desktop appearance. The choice should begin with the work a person actually needs to do. A polished demo cannot settle compatibility, support or migration costs.
Why this deserves attention
There is no universal winner among macOS, Windows and Linux. The useful comparison starts with required applications, hardware, accessibility, support and the cost of moving existing files. Vendor documentation can establish what a feature does; only a trial with your own tasks can show how well it fits your day. The safest move is a small trial with real work before the old machine is retired or wiped. A short trial with required apps provides more evidence than a broad ranking of operating systems.
A practical way forward
Inventory essential apps and documents, export data in usable formats and test the printer, camera and collaboration tools. Try a real task end to end on the candidate system. Note the extra steps, missing apps and support questions while the old setup is still available.
Picture it in a real situation
Someone moving from Windows to Mac can open a few actual spreadsheets and presentations to check layout before relying on the new machine. A second person may use different software or peripherals. Repeat the trial with their essential work before applying the same recommendation to everyone.
What to avoid
Avoid deleting the old setup until the most important files and tasks have been verified on the new one. Check current compatibility for the exact application and hardware model. Personal preference cannot substitute for a required program that will not run.
Takeaway
Test the required workflow before committing to a switch. Keep the old data available until recovery is proven.
Sources and further reading: Apple Mac User Guide; Microsoft Windows help; Ubuntu Desktop documentation.