This is Pdf File Locker Software. This software is written in Python Language using many libraries. You can lock your file and set a password on it. STEP 1 : It is not binary package, hence you don't need to install the software STEP 2 : Just download and extract zipped file in only 'C:\' drive and copy your software from 'dist' folder to anywhere you want. Click on it and Protect Your Documents. Designed and Developed by IshuGupta https://www.github.com/ishuweb/pdflocker