The good news is that with the right knowledge the right tools and a bit of time and energy the removal of your vinyl siding is a simple project.
Remove vinyl siding to replace window.
The easiest way to replace windows in a home with vinyl siding is to do the job from the interior.
Sections of vinyl siding can be removed fairly easily with the right tools.
Once exposed and removed simply replace the siding in the order of which it was.
If either end of the siding is captured by a door or window channel gently bend the siding to clear the channel as you remove it.
Vinyl siding presents a challenging obstacle when replacing windows because of the difficulty and expense of cutting and replacing it.
There are many reasons why it may become necessary to remove or replace your exterior vinyl siding.
Do not cut the vinyl off.
Zip tools specially designed for the purpose are available inexpensively at home supply stores.
Converted garage has no use for this window.
Extract nails keeping the vinyl pieces in place in order to prepare vinyl pieces to be removed.
The most invasive of the three methods.
Use a siding removal tool.
This involves redoing the interface with the siding not changing the siding out but redoing the waterstop features around the window where it meets the siding which might require temporary removal or at least loosening up of a few pieces of siding at each window to do it right.
The current windows are builders grade new construction vinyl windows with the nailing flange and built in channel.
Remove the pieces of vinyl siding from around the window area.
Use this tool by inserting it where a piece of vinyl overlaps a piece below it and then sliding it across until you reach the end of.
Pull the piece of vinyl siding downward to disengage it from the course below it.
I would think that the best method would be to remove the whole window peel back the siding and replace it with the same size window with a nailing flange with either the built in channel or j it out.