You will skip the import and choose Enter my form another way, then choose Type it in myself. Use the instructions linked below, or you can search for 1099-B and use the Jump to link. You will be asked if you want to enter sales individually or by sales section total. Choose to enter them one by one if you want to enter each individual sale. You will provide the basis, proceeds, acquired date, and sale day in 2024.
Where do I enter or import a 1099-B? - 1099-B forms are enter in the Investments Income category.