You need a specific GPU, specific Python version, and specific OS libraries just to install Isaac Sim. Get any one wrong and you’ll spend hours debugging cryptic pip errors or frozen launch screens.
Here’s what actually works in early 2026.
Which Install Method Matches Your Setup?
Isaac Sim offers three installation paths. According to NVIDIA’s official docs, the choice depends on your OS and workflow.
Pip install (recommended for most users): Fastest setup, integrates with virtual environments, supports Jupyter notebooks. Requires Ubuntu 22.04+ or Windows 11 (GLIBC 2.35+ on Linux). Python 3.11 for Isaac Sim 5.X, Python 3.10 for 4.X. Installation completes in ~15 minutes after dependencies download.
Binary download: Works on Ubuntu 20.04, gives you standalone executables (isaac-sim.selector.sh), doesn’t pollute your system Python. Download is ~20GB. Choose this if pip fails due to GLIBC version or if you want the GUI-based App Selector.
Docker: Best for headless servers, cloud deployments, or reproducible CI/CD. Official NVIDIA images on NGC. Containers run rootless by default since Isaac Sim 5.1 – if you’re copying old docker-compose files from 4.X tutorials, expect permission errors.
Three methods, three trade-offs. Pip is fast but picky about dependencies. Binaries always work but take disk space. Docker isolates everything but adds container complexity.
System Requirements (The Real Minimums)
Isaac Sim’s official requirements page lists specs, but here’s what you actually need and what breaks if you don’t have it:
- GPU: RTX series with RT Cores. Minimum 12GB VRAM (RTX 3080 Ti or better). Recommended 16GB+ for training workflows. A100 and H100 are explicitly NOT supported despite being powerful datacenter GPUs – they lack RT Cores needed for raytracing.
- RAM: 32GB minimum. Isaac Lab documentation states 16GB works for basic scenes but complex multi-robot simulations will OOM.
- OS: Ubuntu 22.04/24.04 (Linux) or Windows 11. Ubuntu 20.04 works only with binary install, not pip (GLIBC 2.31 vs required 2.35). macOS not supported.
- NVIDIA Driver: Version 580.65.06+ (Linux), 580.88 (Windows) as of early 2026. Older drivers may work but livestreaming features break.
- Python: Version must match Isaac Sim release. 3.11 for Isaac Sim 5.X. 3.10 for 4.X. Using 3.12 or 3.9 will cause pip to reject the package with “no matching distribution found.”
- Disk: 50GB free (pip install ~25GB, binary install ~35GB after extraction, Docker image ~20GB plus volumes).
If you hit “GPUs without RT Cores are not supported” after install, your GPU is incompatible. No workaround exists – the simulator requires hardware raytracing.
Pro tip: Run
ldd --versionon Linux before attempting pip install. If it reports GLIBC < 2.35, save yourself 30 minutes and go straight to binary install. Ubuntu 20.04 users always need binaries, not pip.
Install via Pip (Fastest for Ubuntu 22.04+ / Windows 11)
This method installs Isaac Sim as a Python package. As of early 2026, the latest stable pip release is Isaac Sim 5.1.0 (released January 28, 2026). An early developer preview of 6.0 exists but pip install fails on ARM64 systems.
Step 1: Create virtual environment with correct Python version
# For Isaac Sim 5.X (requires Python 3.11)
conda create -n isaac_env python=3.11
conda activate isaac_env
# Verify Python version
python --version # Must show 3.11.x
Using Python 3.12 or 3.10 will cause pip to fail with “ERROR: Could not find a version that satisfies the requirement isaacsim.” This is the #1 reported install error on GitHub.
Step 2: Install PyTorch (CUDA-enabled)
# For CUDA 12.8 (matches Isaac Sim 5.1)
pip install torch==2.7.0 torchvision==0.22.0 --index-url https://download.pytorch.org/whl/cu128
Installing PyTorch first prevents version conflicts. The official docs install it after Isaac Sim, but community feedback shows this order causes torchaudio mismatches.
Step 3: Install Isaac Sim from NVIDIA’s PyPI index
pip install --upgrade pip
pip install isaacsim[all,extscache]==5.1.0 --extra-index-url https://pypi.nvidia.com
The [all,extscache] extras install optional extensions and cache dependencies locally (avoids re-downloading on every run). Omit extscache if disk space is tight – extensions will download on-demand from Omniverse registry.
Step 4: Accept EULA on first run
python -c "from isaacsim import SimulationApp; app = SimulationApp({'headless': True}); app.close()"
First run prompts: “Do you accept the EULA? (Yes/No)”. Type Yes. It also downloads and caches all extension dependencies – this takes 10-15 minutes with no progress bar. The console will appear frozen. Wait for “Isaac Sim Full Streaming App is loaded.”
Install from Binary (Ubuntu 20.04 / Offline Systems)
Binary install works when pip doesn’t. Download directly from NVIDIA, unzip, run post-install script.
Download and extract
cd ~/Downloads
# Download from https://docs.isaacsim.omniverse.nvidia.com/5.1.0/installation/download.html
# File is named [email protected][hash].linux-x86_64.release.zip
mkdir ~/isaac-sim
unzip isaac-sim-standalone@*.zip -d ~/isaac-sim
cd ~/isaac-sim
./post_install.sh
The post_install.sh script sets up symlinks and permissions. Skipping it causes “module not found” errors.
Launch Isaac Sim
./isaac-sim.selector.sh
On Windows, use isaac-sim.selector.bat instead. The App Selector GUI lets you choose between different Isaac Sim experiences (full app, headless streaming, Python-only).
First launch takes 5-10 minutes while shaders compile. The window stays black during this time – it’s not crashed. Check terminal output for “Loading extensions…” messages. After the first run, subsequent launches drop to 10-30 seconds.
Install via Docker (Headless Servers / Cloud)
Docker isolates Isaac Sim in a container. Best for remote machines without displays or when you need reproducible environments.
Install prerequisites
# Install Docker
curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh
sudo usermod -aG docker $USER
newgrp docker
# Install NVIDIA Container Toolkit
curl -fsSL https://nvidia.github.io/libnvidia-container/gpgkey | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-container-toolkit-keyring.gpg
sudo apt-get update
sudo apt-get install -y nvidia-container-toolkit
sudo nvidia-ctk runtime configure --runtime=docker
sudo systemctl restart docker
# Verify GPU access
docker run --rm --gpus all ubuntu nvidia-smi
If nvidia-smi doesn’t show your GPU, the Container Toolkit isn’t configured. Re-run nvidia-ctk runtime configure.
Pull and run Isaac Sim container
# Login to NVIDIA NGC (requires free NGC account + API key)
docker login nvcr.io
# Username: $oauthtoken
# Password: [your NGC API key]
# Create cache directories
mkdir -p ~/docker/isaac-sim/cache/{kit,ov,pip,glcache,computecache}
mkdir -p ~/docker/isaac-sim/{logs,data,documents}
# Run container (headless mode)
docker run --name isaac-sim --entrypoint bash -it --gpus all
-e "ACCEPT_EULA=Y" -e "PRIVACY_CONSENT=Y" --rm --network=host
-v ~/docker/isaac-sim/cache/kit:/isaac-sim/kit/cache:rw
-v ~/docker/isaac-sim/cache/ov:/root/.cache/ov:rw
-v ~/docker/isaac-sim/cache/pip:/root/.cache/pip:rw
-v ~/docker/isaac-sim/logs:/root/.nvidia-omniverse/logs:rw
nvcr.io/nvidia/isaac-sim:5.1.0
# Inside container, start Isaac Sim headless streaming
./runheadless.sh
Wait for “Isaac Sim Full Streaming App is loaded.” Then connect via WebRTC streaming client (download from NVIDIA’s site) at http://[server-ip]:8211/streaming/webrtc-demo/.
Since Isaac Sim 5.1, containers run as a non-root user by default. If you’re reusing volume mounts from older tutorials, run sudo chown -R 1234:1234 ~/docker/isaac-sim to fix ownership.
Verify Installation Works
Regardless of install method, verify Isaac Sim runs before diving into tutorials.
| Install Method | Verification Command |
|---|---|
| Pip | python -c "from isaacsim import SimulationApp; app = SimulationApp({'headless': True}); print('Success'); app.close()" |
| Binary | ./isaac-sim.sh --help (should print usage without errors) |
| Docker | Inside container: ./python.sh --version (should show Python 3.11.x) |
If verification hangs for >15 minutes, check GPU driver version (nvidia-smi) and ensure it’s 580.65.06+. Older drivers cause shader compilation to stall.
Common Install Errors and Fixes
“ERROR: Could not find a version that satisfies the requirement isaacsim”
Your Python version doesn’t match. Isaac Sim 5.X needs exactly Python 3.11. Run python --version and recreate your virtualenv with the correct version.
“ImportError: /lib/x86_64-linux-gnu/libc.so.6: version GLIBC_2.35 not found”
Your OS has GLIBC < 2.35 (Ubuntu 20.04 or older). Pip install won't work. Download binary install instead.
Black viewport / frozen GUI for 10+ minutes on first launch
This is normal. Isaac Sim compiles shaders on first run. Check terminal output – if you see “Loading extensions…” messages, it’s working. Don’t force-quit. Subsequent launches are 10-30 seconds.
“GPUs without RT Cores (A100, H100) are not supported”
Your GPU lacks hardware raytracing. Isaac Sim requires RT Cores. No software workaround exists. Supported GPUs: RTX 20/30/40 series, RTX A/L-series professional cards.
Docker container fails with permission errors on volume mounts
Isaac Sim 5.1+ runs as user ID 1234, not root. Fix ownership: sudo chown -R 1234:1234 ~/docker/isaac-sim.
Torchaudio version conflict when installing via pip
Install PyTorch BEFORE Isaac Sim. Use the exact version: pip install torch==2.7.0 torchvision==0.22.0 --index-url https://download.pytorch.org/whl/cu128 then install Isaac Sim.
Upgrade to Newer Versions
Isaac Sim releases major versions every 6-12 months. As of April 2026, version 5.1.0 is stable; 6.0 is in early developer preview.
Pip upgrade
# Upgrade to specific version
pip install --upgrade isaacsim[all,extscache]==6.0.0 --extra-index-url https://pypi.nvidia.com
# Check installed version
python -c "import isaacsim; print(isaacsim.__version__)"
Upgrading major versions (5.X → 6.X) may require Python version change. Isaac Sim 6.0 requires Python 3.12, breaking from 5.X’s Python 3.11 requirement.
Binary upgrade
Download new binary, extract to different directory, update your ISAACSIM_PATH environment variable. Old and new versions can coexist.
Docker upgrade
docker pull nvcr.io/nvidia/isaac-sim:6.0.0
Old cached volumes from 5.X can cause crashes in 6.X. Clear caches: rm -rf ~/docker/isaac-sim/cache/* before running new container.
Uninstall / Cleanup
Pip uninstall
pip uninstall isaacsim
rm -rf ~/.cache/ov # Remove cached extensions (~5-10GB)
rm -rf ~/.nvidia-omniverse # Remove logs and configs
Binary cleanup
rm -rf ~/isaac-sim
rm -rf ~/.local/share/ov/pkg/isaac_sim-*
Docker cleanup
docker stop isaac-sim
docker rmi nvcr.io/nvidia/isaac-sim:5.1.0
rm -rf ~/docker/isaac-sim # Remove all caches and volumes
FAQ
Can I run Isaac Sim on a laptop GPU?
Yes, if it’s RTX series with 12GB+ VRAM (RTX 4080 laptop or better). Performance scales with VRAM – 8GB cards struggle with scenes that spawn >16 robots. Non-RTX GPUs (GTX series, older Quadro) are not supported.
Do I need an NVIDIA Developer account to install Isaac Sim?
For pip and binary installs, no account is required – the software is freely downloadable. For Docker, you need a free NGC account to pull the container image from nvcr.io. Sign up at developer.nvidia.com, generate an API key, use $oauthtoken as username when logging into docker login nvcr.io.
What’s the difference between Isaac Sim and Isaac Lab?
Isaac Sim is the simulation platform (the physics engine, rendering, robot import tools). Isaac Lab is a framework built on top of Isaac Sim for reinforcement learning workflows (vectorized environments, training integrations with RL libraries). You install Isaac Sim first, then optionally add Isaac Lab if you’re doing RL. Most robotics simulation tasks only need Isaac Sim. If you’re training policies with PPO/SAC, you want Isaac Lab too.
Pick the install method that matches your OS constraints. Run the verification command. When the first launch freezes for 10 minutes, don’t panic – let the shaders cache. Then start building.