The official site usually offers a fully functional 30-day trial . This is the best way to use the software for a short-term project without any risk to your computer.
You probably already have this installed. Edge has a built-in PDF viewer that allows for surprisingly good drawing, highlighting, and text notes. The official site usually offers a fully functional
A free, universal document viewer that lets you add text boxes, stamps, and drawings to PDFs. and text notes. A free
If you specifically need PDF Annotator, here are the safest ways to get it: or form filling?)
Available on the Microsoft Store; it has a very strong free tier specifically designed for easy ink and pen annotations.
What specific features(e.g., handwriting, merging pages, or form filling?)