The TRIM command is sent at least once per hour, this is evidenced in multiple tests by multiple review sites.If you're using more recent Windows 10, then TRIM is enabled (and working) by default. You can get some info here.
TRIM doesn't delete anything on SSD (no "cleanup" or similar).
TRIM is a command for SSD (sent by Windows) for "optimizing" storage space inside SSD (simplified explanation). This command is usually sent every two weeks or once per month. Depending on PC usage, user can change that interval in scheduler -in most cases, once per month is enough.
What does "optimizing" storage space means? Without TRIM, SSD would become slower over the time (on saving data)... let's say after a year of usage -but depends on how much data was written/deleted during that time.
The Defragment built into W10 automatically runs ever 2 weeks, they are quite different.
Either way, none of this matters to the OP as their SSD won't be getting a lot of use and it is automatic.
As for getting rid of temp files, you can do so within your web browser, be careful if you use autofil and have usernames and passwords remembered, there are options for each.
For Windows Temp files, there is a built in clean up option (again with options), that you can run manually, but is also triggered and notifies you if you go below a certain amount of free disk space.
As you are tweaking options, it is also a good idea to remove the virtual memory (page file), reboot the computer and re-enable it but with the same fixed minimum and maximum values. How much depends on the amount of RAM you have and what you do with your PC, if you have 8GB+ of RAM and are a light user, set it to 4048 or 8096 for both mum and max, there work out as exactly 4GB and 8GB. It helps performance, does t wear the SSD as much and occupies a known set amount of your SSD.