Files and Folders Issues

как я могу убрать лишние файлы и програмы остатки 64 битной системы,очистить диск (с)

Whenever I get the message "a new version 11.~ is available, the download completes but will not install.
Check snip pic attached.

I called tech support to fix the follwintg problem "rquires elevation" I am still getting the same thing on numerous sites. Is there
no one that can fix this? Tried you on line solution but it does not work as described.

I thought you guys offered a file-transfer system a while ago. Or am I mistaken?
I want to send a 300 MB video to a colleague, but could not find any reference in the main menu to do so.

Hi there,
How can I delete a file and folder that won't delete?

Please edit a BAT file to clean up the C disk for me.
My Email"

Hi My photos arent displaying properly and the preview pane is gone since using the other day
Any help?

Dashboard, one click scanner, clean up, etc.etc.etc not loading.
What needs to be done to do so?