I cant add property, tiles. Help please
If you’re trying to add custom properties to Tiles, make sure you do it in the Tileset Editor, you cannot do it in the Map editor. In other words, open your tileset as a document in Tiled, and edit the tiles there.
how can I add new tiles without leaving the editor (tiled)?
Depends on what you mean by “add new tiles”. If your Tileset is an image collection, open the Tileset document in Tiled and click the “add tile” button in the toolbar, it looks like a “+”. If your Tileset is “based on tileset image”, you will need to either edit the image (outside of Tiled) to add new tiles, or change the tileset’s tile size to slice it up into tiles differently.