64-bit, according to the product description, and other sources.
Answer:
How to combine and merge your files into one PDF: Open Acrobat DC to combine files: Open the Tools tab and select "Combine files." Add files: Click "Add Files" and select the files you want to include in your PDF. You can merge PDFs or a mix of PDF documents and other files.
Explanation:
Windows 10 thru 7 home and some people use mac osx
Answer:
The function of the tab is used to advance the cursor to the next tab key.
