The price is usually for one curtain. If you need a pair, you will need to purchase two.

Measure the width of the window at the top, bottom, and middle, and record the widest measurement. Measure the height from the top of the window frame to the desired length of the curtain.

Yes. Fullness affects the appearance and functionality of the curtain. A general rule is to have 1.5 to 2.5 times the width of the window for a good fullness. Stacking width is the space the curtain takes up when it is opened. You should consider the available space on the sides of the window to ensure the curtain doesn't cover too much when open.

Pin hooks are often used to create a pleated style. They help to hold the pleats in place and give a more uniform look. It's a good idea to purchase them if you want a nice - looking pleated curtain.

Double width is usually required when you want a more full and luxurious look, or when the window is very wide. There's no specific fixed size, but generally, for windows wider than 6 feet, you might consider using double - width fabric.

Memory training is a process that helps the curtain fabric retain its shape and fold better. It doesn't work with all header styles. It's more suitable for certain styles like pleated headers where the fabric needs to hold a specific shape.

First, install the curtain rod. Then, attach the pin hooks to the curtain at the appropriate intervals. Hang the curtain on the rod by inserting the hooks into the rod. Adjust the pleats to ensure they are even and look nice.