You can download adobe reader 10 for free from https://get.adobe.com/reader/
Adobe Reader 10 is a free application by adobe systems but you can only open and view PDF files in Adobe Reader 10, If you want to edit or create PDF files then you must need to download Adobe Acrobat Pro. Adobe Acrobat Pro is not free for users so can buy it from adobe’s official website.
One Second! Yes you can download trail version of Adobe Acrobat Pro for free for 7 days. from here https://acrobat.adobe.com/us/en/free-trial-download.html
After trail version you can buy it for 14.99 per month (Adobe Acrobat Pro)
Latest version of Adobe Reader 10 is a Adobe Acrobat Reader DC free available on internet.