How to Say "rollout" in Spanish
The Spanish word for “rollout” is “lanzamiento” — B1 level. This is a very common word in everyday Spanish.

Examples
El lanzamiento del nuevo teléfono fue un éxito total.
The launch of the new phone was a total success.
Esperamos el lanzamiento del libro para la próxima semana.
We are waiting for the book's release next week.
La empresa anunció el lanzamiento de una nueva campaña publicitaria.
The company announced the rollout of a new advertising campaign.
Use with 'de'
When talking about what is being launched, use the preposition 'de' (of): 'lanzamiento del producto', not 'lanzamiento el producto'.
Using 'lanzar' instead of 'lanzamiento'
Mistake: “Hacer un lanzar (literally: to make a to launch)”
Correction: Use the noun: 'Hacer un lanzamiento' (to do a launch) or the verb 'lanzar' (to launch) directly.
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