You know, when replacing windows, you first need to decide on the design and take into account the exact dimensions. I suggest you read the information about windows sizes
https://windowtechcanada.ca/what-you-should-know-about-standard-window-sizes/, because it is very important. Window standards for each room are taken into account separately. In addition, it is important to consider the mechanism for opening and closing the window for greater safety for the residents of the house.