If you are already far into a campaign and locked into a bad tech tree without a backup, you must use unofficial methods to reset your points: Use a Save Editor / Decryption Tool TABRTreset (They Are Billions Research Tree Reset):
If you are truly stuck because of poor tech choices, the only official way to fix it is to restart the campaign from the beginning . Community Workarounds and Tools they are billions reset tech tree
There is no "undo" button. Your only reset is starting a brand new survival colony. If you are already far into a campaign
