To remove mould from windows, use a cleaning solution of water and vinegar or bleach. Apply the solution to the affected areas with a cloth or sponge, scrubbing gently. Rinse with clean water and dry thoroughly to prevent mould from returning. Ensure good ventilation during cleaning and consider professional services for extensive mould issues.

Remove mould from windows using a vinegar or bleach solution, scrubbing, and rinsing. Dry thoroughly to prevent regrowth. Professional help may be needed for extensive mould issues.