If you are amateur and have no experience of trekking then I would suggest you to go with someone who has the experience of trekking.
it is not very difficult per say however if you are not fit at all then you will have problems, trekking requires atleast an average body. and if you have a athletic body then you are good to go😇
You check you mailbox. There will be e-mails from Tripoto providing the links which you will have to click on, or copy paste into a browser. Such may ask for a video-conferencing software or app like Microsoft Teams or Google Meet. When you click on those links, such will open into those apps of website. You will have to thereby make yourself available for a video conferencing experience, and open the link at the prescribed date and time.