: Updates like Hollow Knight: Lifeblood and Gods & Glory added massive amounts of new bosses, music, and areas for free.

Many sites offering a "Free PC Download" of the full game are often unofficial or associated with piracy, which can carry security risks. However, some legitimate alternatives exist:

: The upcoming sequel's nautical expansion is also planned as a free update for Silksong players . Unofficial and Third-Party Downloads

: Owners of the original Nintendo Switch version are eligible for a free upgrade to the Nintendo Switch 2 Edition in 2026, which includes 4K support and enhanced frame rates.