Damage-free hooks have a low weight capacity, so they're best for lightweight wreaths; static cling decals work well on windows; lanterns, pumpkins, and dried flowers are safest for direct placement. When removing, first soften the adhesive with a hairdryer on low heat, then peel slowly to avoid pulling off wall paint.
Decorations and Lighting
How to decorate a rental without damaging the walls?
Use damage-free hooks, static cling decals, and freestanding decorations: string lights along door frames and furniture; avoid nails and heavy-duty double-sided tape.
Short answer
Use damage-free hooks, static cling decals, and freestanding decorations: string lights along door frames and furniture; avoid nails and heavy-duty double-sided tape.