The forms, or the area where you enter the information to generate the forms, are available in the Deductions & Credits section of the program. See below for more information.

Form 8283, Noncash Charitable Contributions. Federal > Deductions & Credits, select the option to see all tax breaks and scroll down to "Charitable Deductions" section.

https://ttlc.intuit.com/replies/4797927

Form 8889, Health Savings Accounts. Federal > Deductions & Credits, select the option to see all tax breaks and scroll down to "Medical" section.

https://ttlc.intuit.com/replies/6560924