The short answer is that (the first game in the series) does not have an official native PC release. While Sony brought the later games to the platform via the UNCHARTED: Legacy of Thieves Collection in 2022, the original trilogy remains a PlayStation console exclusive.
The biggest hurdle for Uncharted 1 for PC is the shooting. The original game had notoriously floaty aiming on the DualShock 3. uncharted 1 for pc
But why omit the original trilogy?