How to install snapshots and old versions of Minecraft in TLauncher

Minecraft snapshots list in TLauncher

By default, unstable versions of Minecraft (snapshots) and very old versions are disabled in TLauncher. But listing these versions is very simple, just check one box in the launcher settings.

1) Launch TLauncher and click on the "Gear" in the lower right corner, select the "Settings" menu item.

Entering TLauncher Settings

2) In the window that opens, look for the inscription "Show Snapshots", put a check mark next to it.

2.1) If you need older versions of Minecraft, then put a check mark next to the corresponding inscription.

Enabling snapshots and older versions in TLauncher