How to update Adobe Acrobat

Step1:

Search Adobe Acrobat on your Microsoft Store

Step 2:

Install Adobe Acrobat Reader 

Step 3:

Search for "Default Apps" on your search bar and open Default Apps.

Step 4:

Inside Default Apps search for Adobe 

Step 5:

Once you've opened Adobe Acrobat, select ".pdf" and open it to select Adobe as your default PDF reader.