No.
You can schedule just those 2 windows by selecting them in plan and right clicking on the schedule in navigator and choosing "List Floor Plan Selection Only"
But if you want to update those 2 windows in the entire schedule then unfortunately you have to update the entire schedule.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11