Potong sepotong kayu 1x1. Pilih jenis kain untuk tirai dan lapisan dalamnya. Potong kain. Satukan kain tirai dan kain lapisannya dengan jarum pentol. Jahit semua tepi kain. Balik sisi benar kain dari dalam ke luar dan setrika kain tersebut. Jahit bukaan dengan teknik tusuk selip sehingga tertutup. Ukur dan tandai garis-garis horizontal. Biarkan lem mengering. Jahit cincin plastik ke reng. Ukur dan potong dua panjang tali. Pasang tepi atas tirai ke kayu 1x1. Selipkan tali tarikan tirai melalui mata baut. Jaga garis-garis lipatan tetap halus dan rapi.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
It should fit across the inside top of the window opening. Screw (or otherwise provide for attaching) the 1x1 to the window frame. You cannot inside-mount on French doors. While these can be made with light weight materials, decorator weight is ideal. "Decorator weight" is a bit heavier -- think the weight of a tablecloth. Add an inch (2.54 cm) in both height and width to the size of the window opening.  The extra material is for seam allowances. Outer fabric can be cut a little wider so that it