@studier, I think these versions provide helpful understanding on how believing is something we are required to do.
NIV: Then they asked him, “What must we do to do the works God requires?”
RSV: Then they said to him, "What must we do, to be doing the works of God?"
ESV: Then they said to him, “What must we do, to be doing the works of God?”
AMP: Then they asked Him, “What are we to do, so that we may habitually be doing the works of God?”
ISV: Then they asked him, “What must we do to perform God’s works?”
The MNT: What are we to do habitually," they asked him, "that we may keep working the words of God?"
MAC: then said they to him, what shall we do, that our works may he agreeable to God?
Living Oracles: They asked him, therefore, What are the works which God requires us to do?
Williams: Then they asked Him, "What must we do to perform the works that God demands?
WNT: What are we to do," they asked, "in order to carry out the things that God requires?
JMNT: Then they said to Him, "What should we be habitually doing, so that we would be habitually working God’s works (or: actions having the character of God; or: the deeds which have their source in God; or: = the things God wants us to do)?"
BSB: Then they inquired, “What must we do to perform the works of God?”
MSB: Then they inquired, “What must we do to perform the works of God?”
VIN: Then they asked him, "What must we do to perform the works of God?"
NLT: They replied, “We want to perform God’s works, too. What should we do?”
NET: Jesus replied, "This is the deed God requires - to believe in the one whom he sent."
BBE: Then they said to him, How may we do the works of God?
NASB20: Therefore they said to Him, “What are we to do, so that we may accomplish the works of God?”
believe God, receive truth from God and see new in love and mercy to all, over the few you used to do