Generally, no. Nitro does not offer free upgrades across major versions. However, they often provide a loyalty discount (up to 40% off) for owners of old licenses.
No. Nitro ofrece descuentos para usuarios de versiones antiguas, pero no es gratuito. nitro pro 9 descargar
If you're looking to download Nitro Pro 9, here's a step-by-step guide to get you started: Generally, no