So I don't have any other mods and I try to install my first mod. At first I tried turning on Forge but it didn't work for me.
I entered into these logs and this is what debug I found.
[05maj2024 19:29:16.383] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--username, kod00, --version, 1.20.1-forge-47.2.30, --gameDir, C:\Users\Tadeusz\AppData\Roaming\.minecraft, --assetsDir, C:\Users\Tadeusz\AppData\Roaming\.minecraft\assets, --assetIndex, 5, --uuid, 0b6cb7d0d9794ea3995565e2c9e6961f, --accessToken, ????????, --clientId, ZmVhZDQ5MDEtODA2ZC00OTZhLTg1NWEtNDAzYzhmZGVhYzAx, --xuid, 2535448611541717, --userType, msa, --versionType, release, --quickPlayPath, C:\Users\Tadeusz\AppData\Roaming\.minecraft\quickPlay\java\1714930153126.json, --launchTarget, forgeclient, --fml.forgeVersion, 47.2.30, --fml.mcVersion, 1.20.1, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20230612.114412]
[05maj2024 19:29:16.393] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 10.0.9+10.0.
9+main.dcd20f30 starting: java version 17.0.8 by Microsoft; OS Windows 10 arch amd64 version 10.0
[05maj2024 19:29:16.557] [main/INFO] [net.minecraftforge.fml.loading.ImmediateWindowHandler/]: Loading ImmediateWindowProvider fmlearlywindow
[05maj2024 19:29:16.668] [main/INFO] [EARLYDISPLAY/]: Trying GL version 4.6
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[05maj2024 19:29:16.383] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--username, kod00, --version, 1.20.1-forge-47.2.30, --gameDir, C:\Users\Tadeusz\AppData\Roaming\.minecraft, --assetsDir, C:\Users\Tadeusz\AppData\Roaming\.minecraft\assets, --assetIndex, 5, --uuid, 0b6cb7d0d9794ea3995565e2c9e6961f, --accessToken, ????????, --clientId, ZmVhZDQ5MDEtODA2ZC00OTZhLTg1NWEtNDAzYzhmZGVhYzAx, --xuid, 2535448611541717, --userType, msa, --versionType, release, --quickPlayPath, C:\Users\Tadeusz\AppData\Roaming\.minecraft\quickPlay\java\1714930153126.json, --launchTarget, forgeclient, --fml.forgeVersion, 47.2.30, --fml.mcVersion, 1.20.1, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20230612.114412]
[05maj2024 19:29:16.393] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 10.0.9+10.0.9+main.dcd20f30 starting: java version 17.0.8 by Microsoft; OS Windows 10 arch amd64 version 10.0
[05maj2024 19:29:16.428] [main/DEBUG] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Found launch services [fmlclientdev,forgeclient,minecraft,forgegametestserverdev,fmlserveruserdev,fmlclient,fmldatauserdev,forgeserverdev,forgeserveruserdev,forgeclientdev,forgeclientuserdev,forgeserver,forgedatadev,fmlserver,fmlclientuserdev,fmlserverdev,forgedatauserdev,testharness,forgegametestserveruserdev]
[05maj2024 19:29:16.448] [main/DEBUG] [cpw.mods.modlauncher.NameMappingServiceHandler/MODLAUNCHER]: Found naming services : [srgtomcp]
[05maj2024 19:29:16.468] [main/DEBUG] [cpw.mods.modlauncher.LaunchPluginHandler/MODLAUNCHER]: Found launch plugins: [mixin,eventbus,slf4jfixer,object_holder_definalize,runtime_enum_extender,capability_token_subclass,accesstransformer,runtimedistcleaner]
[05maj2024 19:29:16.485] [main/DEBUG] [cpw.mods.modlauncher.TransformationServicesHandler/MODLAUNCHER]: Discovering transformation services
[05maj2024 19:29:16.495] [main/DEBUG] [net.minecraftforge.fml.loading.FMLPaths/CORE]: Path GAMEDIR is C:\Users\Tadeusz\AppData\Roaming\.minecraft
[05maj2024 19:29:16.495] [main/DEBUG] [net.minecraftforge.fml.loading.FMLPaths/CORE]: Path MODSDIR is C:\Users\Tadeusz\AppData\Roaming\.minecraft\mods
[05maj2024 19:29:16.495] [main/DEBUG] [net.minecraftforge.fml.loading.FMLPaths/CORE]: Path CONFIGDIR is C:\Users\Tadeusz\AppData\Roaming\.minecraft\config
[05maj2024 19:29:16.495] [main/DEBUG] [net.minecraftforge.fml.loading.FMLPaths/CORE]: Path FMLCONFIG is C:\Users\Tadeusz\AppData\Roaming\.minecraft\config\fml.toml
[05maj2024 19:29:16.550] [main/DEBUG] [cpw.mods.modlauncher.TransformationServicesHandler/MODLAUNCHER]: Found additional transformation services from discovery services:
[05maj2024 19:29:16.557] [main/INFO] [net.minecraftforge.fml.loading.ImmediateWindowHandler/]: Loading ImmediateWindowProvider fmlearlywindow
[05maj2024 19:29:16.668] [main/INFO] [EARLYDISPLAY/]: Trying GL version 4.6
Can you help me with this?