Yes, this fan will come with all the accessories that you will need for installation.
The Broan 505 comes with all screws needed, you'll just need a drill and some elbow grease.
Yes they come with 120mm Ball-Bearing Fans.
Yes, everything you need to properly mount it is included except for screwdriver and drill if you need one.
You need to download a right driver for you card. These days all drivers come as exe file and only what you need to do is to double click on it and it will do everything for you. Sometimes you have install drivers manually for that you need to open hardware manager click on device you want to install driver for choose location where the driver is located. If you do everything right it will work.
i have no idea i wonder myself maybe so that everything can move
As this unit is relatively simple to install is should not require the use of a professional.
You need to download a right driver for you card. These days all drivers come as exe file and only what you need to do is to double click on it and it will do everything for you. Sometimes you have install drivers manually for that you need to open hardware manager click on device you want to install driver for choose location where the driver is located. If you do everything right it will work.
This is included and comes with everything you need to install it. Its a great addition to a factory sound system.
It will install everything important automaticly!
you need the disk then it SHOULD come up with install then install it.
You have to call a branch in your area and ask if they offer service where you live. If they do, they will help you set a time for someone to come install everything you need.
You do not need a contractor to install shelves, as it has nothing to do with structure. You are free to do any work that does not involve structures without a licensed contractor.
It is OK to install an window privacy film yourself as long as you have the proper materials ans know how to do. You do not need a professional to install it.