Manage advertising accounts on one computer while each profile keeps its own device, location and history.
Advertising work needs clearly separated environments: independent devices, time zones and browser history. Manual virtual machines take longer to maintain and can still repeat the same signals.
A coherent real-device configuration with profile-specific Canvas and WebGL variation.
Location, language and time zone are checked against the proxy country. A mismatched profile does not launch.
Background browsing builds a natural history before the first production sign-in.
Window sync repeats actions across profiles while preserving each profile's timing.