Can you clarify what you are trying to do?  

You can also electronically file your amended return.  Please see the link below for more information on preparing your amended return.

Steps for amending a tax return

Go here for free tax help. This is on the IRS website. https://www.irs.gov/individuals/free-tax-return-preparation-for-qualifying-taxpayers

He can only amend (1040x) electronically, if he filed his return electronically. 

what year? TurboTax only allows e-filing of 2020 amended return.

what you can do is save a .pdf copy of the amended return to your desktop or directly to a thumb drive. you can then take it to many office supply stores to print out. even a FedEx store. call first to check.