On a pc or mac, how do you add a tick mark to a pdf? step 1: launch swifdoo pdf, and open your pdf with the program; step 2: click annotate on the top, choose checkbox in the pop- up menu bar, and select tick; step 3: click on a checkbox to add a check mark; step 4: reposition and resize the check mark, insert other symbols into the pdf using the same process, then save the file. easily automate, mange & optimize document workflow. launch it once it’ s been installed & open the pdf that needs to fill out. download acrobat reader dc if you don’ t already have it. 62k subscribers subscribe 215 102k views 1 year ago adobe acrobat pro dc hello everyone, today i. no installation needed. 0: 00 / 1: 25 how to insert tick mark in pdf | how to add a tick symbol in a pdf | how to add tick mark in pdf insert checkmark in pdf positive energy 8. 98k subscribers subscribe 276 views 3 weeks ago. how to add a tick symbol in a pdf ( fill and sign) using adobe acrobat pro dc pdf editor 2. save time adding check- marks in pdf online.