Did they prevent OEMs from tampering with the system install image by adding apps that compete with Teams or from removing Teams? Are they fascistly on notice

Did they prevent OEMs from tampering with the system install image by adding apps that compete with Teams or from removing Teams? Are they fascistly on notice for market cap, not antitrust offense? Is the remedy that EU dominates MS until their market share is acceptable, or did MS prevent others from installing competing apps on the OS they and others distribute? In the US, no bundling applies to ski resorts working in concert with other ski resorts. Materially, did MS prevent OEMs or users from installing competing apps?