Launcher VS betacraft-launcher

If you cannot - https://github.com/MultiMC/Launcher/wiki/Unsupported-Intel-GPUs

MultiMC

maybe : https://github.com/MultiMC/Launcher/issues/41

Here is a link to Modloader for MCb173. It needs adding directly into the minecraft.jar file, however if you use a launcher like MultiMC, which you can find here: https://multimc.org/ then there is an option to 'add to minecraft jar file' which does the same thing.

I used to have this issue lots, and it was due to my internet being too restrictive. The Minecraft Launcher was refusing to open, and I fixed it by messing with the restrictions until it worked. Hopefully this helps :) if all else fails of course, try just reinstalling it! I’m sure that all your config files don’t get affected by reinstalling it, but just in case make a backup. And if all ELSE ELSE fails, you could switch to a completely different launcher, like MultiMC! Good luck!

If you are willing to try out the launcher - MultiMC which you can find here (there is a Mac option available) : https://multimc.org/ then I have put together an MCb173 pack that has been made for MultiMC. You just use the 'import from zip' option.

Download MultiMC from their official site https://multimc.org/

Others than that, if you insist, you can take a look at the launcher which u/reginakinhi provided or find others on the internet (GitHub for example). Since PrismLauncher is written in C++, and if you are not familiar with it, you should see other launcher as well. Or else https://github.com/MultiMC/Launcher is an alternate.

The best way to experience beta 173 is to play beta 173, and perhaps add some mods to it a little later. One of the better launchers to use for old versions and for playing modded is to use the MultiMC launcher which you can find here: https://multimc.org/

This will only assist if you are using MultiMC as your Minecraft launcher as it is a MultiMC instance which you can use the 'import from zip' option. MultiMC can be found here: https://multimc.org/ It includes IC2 1337 with several add-on mods which have also been back-ported to work with it, such as the Thermometer, Advanced machines, etc. You can disable the add-ons you do not wish included. There is also buildcraft and redpower added as well.

Download Betacraft-Launcher for MacOS, Sun Java JRE 8u371, run Betacraft, download Minecraft 2.0 blue map, run with defaults + 1440x900 resolution + max fps + vsync off, look down at patch of dirt from sky then press fn+F3 to get fps.

use the BetaCraft Launcher or use the proxy if you don't want to use the launcher

join riseanarchy.org on alpha 1.2.6. server will slowly update through versions. i recommend getting betacraft.uk bc it will fix skins, and usernames. if you dont you will share a acc with someone else lol

Skins don't work in versions below 1.7.5 iirc. You can use the Betacraft launcher to get skins in old versions, as well as correct sounds and all the many versions up to 1.5.2 that are missing from the vanilla launcher

Yes: https://github.com/Moresteck/BetaCraft-Launcher-Java

As the other user said, you don't need to log in. In any case it is safe, people wouldn't recommend it otherwise. Make sure to download it from here: https://github.com/Moresteck/BetaCraft-Launcher-Java/releases

Use the Betacraft launcher. It's specifically made for playing old versions and includes ALL the archived versions up until 1.5.2 (many are missing from the vanilla launcher, including all of Indev and all snapshots before 1.5).

Note that like many old mods this is a "jar" mod which is installed directly into the Minecraft jar; I've read that on the Betacraft launcher you can just directly modify it (make a backup of the jar, then extract the zip and add the files to the jar using a tool like 7Zip or WinRar, also delete the META-INF folder inside the jar), though MultiMC lets you add mods to the jar without having to manually modify it (Betacraft includes many other fixes for old versions though, and may even eventually include the M1 Mac fix).

betacraft.uk Survival - Not very active