There will be no flexibility in the case of breakdown. You cannot help people with problems. The aim should be to have a standard configuration for all machines, one type and version of each regular software tool, a standard menu or start-up window. Pay for additional licences if necessary. It should not be buried in the disks of individuals where it could get lost, or corrupted, or duplicated elsewhere because we never knew it existed.
Training is the responsibility of individuals.
Each person should budget to spend an hour each week learning about or house-keeping on their computer, to improve their personal performance. Everyone should practice the use of the several on-line information sources so that they can find the facts for themselves. If you do not ask, how will you learn. Internet Subscription services eg Focus, FT-Profile. Quality information, widely distributed is how we get new business.