Download Nitro Pro 7 Professional PDF Editor Tools!

Nitro Pro lets you quickly create, convert, combine, edit, sign, and share 100% industry-standard PDF files for superior results and savings. Nitro’s easy-to-use PDF tools make working with digital documents pain free.

This software worth is about $200. but you can download and use it free from here. 
Free Nitro Pro7

Key Features:
1. Create & Combine
2. Edit text & Images
3. Convert & Export
4. Scan & OCR
5. Collaborate & Review
6. Approve, sign & Submit
7. Control & Protect

Download this software (Inc. creak) from here.

Instruction to use creak:

1. Unzip the file, u'll found it with a creak & plug_ins named folder.
2. Run the fill: nitro_pdf_professional7.exe and complete installation.
3. Now open creak folder and copy those files and past to: C:\Program Files\Nitro PDF\Professional 7
4.  Again Copy the file from plug_Ins and past to: C:\Program Files\Nitro PDF\Professional 7\plug_ins
5. You all done.

Enjoy the features of professional software full free. Thank You.