Wordpress training video

General information for the website: good training video
Description of requirements/features: Hello, a very simple ecommerce website has been made,

I need a screen recording and voice teaching following things, on wordpress,

- Detailed, adding products

(add a product with small, larger etc)
(*add product trousers with numbers ,22 etc)

- Detailed Managing products
- Detailed Managing orders when received
- Change banners on home page
- Updating yahoo multi-currency
- Login in wordpress panel
- How to change WordPress password
- Updating wordpress.

i estimate a 35 min to 40 min video, if more not a problem.
Extra notes: