Hi Rebecca711,
Thanks for your post and welcome here to the Community Forum. Thank you for expressing your concern to us. We regret that you are having challenges with your IT to apply for the timeout extender. We appreciate your effort and patience during this time.
Regarding your concern, I can see that one of our moderators Doreen_P, addressed your post and shared the Community Forum post containing the timeout extender. No additional requirements are necessary. Your IT team just needs to follow the provided step-by-step instructions in that Help Article by clicking on "Steps to involved (Click to expand)".

Feel free to post again anytime you require further assistance.
If my response has answered your enquiry, please click "Accept as Solution" to assist other users find this information.
Cheers,
Leneth