تحميل تطبيق Skim for Mac وهو Skim is a very small and fast PDF Reader and note-taker that can be easily used by every macOS user. Skim’s main feature is a powerful but easy to use the ability to annotate and mark important data in the PSD documents (scientific papers, work files, research papers, etc.) in nicely created user interface that will nicely show both original document and your custom notes برابط سريع ومباشر ويدعم الاستكمال