To install vinyl siding around windows, start by cutting the siding to fit the space around the window. Use J-channel trim to frame the window and provide a finished look. Secure the siding pieces with nails, leaving a small gap for expansion. Finally, seal any gaps with caulk to prevent moisture from entering and to improve insulation.

Installing vinyl siding around windows requires using J-channel trim for a clean finish. Proper nailing and caulking around the window frame are essential to prevent moisture damage and ensure the siding remains secure, especially during extreme weather conditions.