How to downgrade v7.5 vtfs to v7.2 vtfs tutorial

Now, many people wondered can downgrade v7.5 vtf files to v7.2 vtf files. Well, its possible. I'm going to teach you how to downgrade vtfs. I uploaded an addon called portal 2 portal gun skin for portal. I used the same way downgrade 'it' to be compatable to Portal.

***Requirements***
VTFEdit 1.3.2
VTFs from Portal 2
IQ above 5

Step 1: Open up VTFEdit and load file.
Step 2: Click 'Tools' on the top then click 'Convert Folder' and wait for 'Batch convert' window to pop up.
Step 3: Put the VTFs to a new folder.
Step 4: Click the '...' button next to the input folder box then select the folder with the VTFs.
Step 5: Repeat step 4 but on output folder.
Step 6: Check 'To' then select 'tga' and make sure the text box's content is *.vtf then uncheck 'Create VMT files'
Step 7: Click 'Convert'
Step 8: Check if TGAs are in the dir of the output folder.
Step 9: Go to VTFEdit.
Step 10: Repeat step 2
Step 11: Type in which folder the TGAs are in the 'input folder'.
Step 12: Type in which folder the VTFs are in the 'output folder'.
Step 13: Make sure 'Create VMT files' is unchecked
Step 14: Click 'Convert'.
Step 15: Done