diff --git a/README.md b/README.md
index fffe746..5a6a4a4 100644
--- a/README.md
+++ b/README.md
@@ -35,14 +35,9 @@ For the Artix-7 devices:
 INSTALL_DIR="/opt/symbiflow/xc7"
 bash conda_installer.sh -b -p $INSTALL_DIR/conda && rm conda_installer.sh
 source "$INSTALL_DIR/conda/etc/profile.d/conda.sh"
-conda update -y -q conda
-
+conda env create -f examples/xc7/environment.yml
+conda activate xc7
 wget -qO- https://storage.googleapis.com/symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/symbiflow-arch-defs/continuous/install/4/20200416-002215/symbiflow-arch-defs-install-a321d9d9.tar.xz | tar -xJ -C $INSTALL_DIR
-conda install -y -c symbiflow yosys yosys-plugins vtr-no-gui
-conda install -y make lxml simplejson intervaltree git pip
-conda activate
-pip install python-constraint
-pip install git+https://github.com/symbiflow/fasm
 conda deactivate
 ```
 
@@ -52,16 +47,9 @@ For the EOS S3 devices:
 INSTALL_DIR="/opt/symbiflow/eos-s3"
 bash conda_installer.sh -b -p $INSTALL_DIR/conda && rm conda_installer.sh
 source "$INSTALL_DIR/conda/etc/profile.d/conda.sh"
-conda update -y -q conda
-
+conda env create -f examples/eos-s3/environment.yml
+conda activate eos-s3
 wget -qO- https://storage.googleapis.com/symbiflow-arch-defs-install/quicklogic/arch-defs-install-eos-s3-f7880e1f.tar.xz | tar -xJ -C $INSTALL_DIR
-conda install -y -c antmicro/label/ql yosys yosys-plugins vtr-no-gui
-conda install -y make lxml simplejson intervaltree git pip
-conda activate
-pip install python-constraint
-pip install git+https://github.com/symbiflow/fasm
-pip install git+https://github.com/antmicro/quicklogic-fasm
-pip install git+https://github.com/antmicro/quicklogic-fasm-utils
 conda deactivate
 ```
 
@@ -89,7 +77,7 @@ export INSTALL_DIR="/opt/symbiflow/xc7"
 # adding symbiflow toolchain binaries to PATH
 export PATH="$INSTALL_DIR/install/bin:$PATH"
 source "$INSTALL_DIR/conda/etc/profile.d/conda.sh"
-conda activate
+conda activate xc7
 git clone https://github.com/SymbiFlow/symbiflow-examples && cd symbiflow-examples
 # counter example
 pushd examples/xc7/counter_test && TARGET="arty" make && popd
@@ -97,6 +85,15 @@ pushd examples/xc7/counter_test && make clean && TARGET="basys3" make && popd
 # picosoc example
 pushd examples/xc7/picosoc_demo && make && popd
 # litex example
+wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
+chmod +x litex_setup.py
+./litex_setup.py init
+./litex_setup.py install
+wget https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14.tar.gz
+tar -xf riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14.tar.gz
+export PATH=$PATH:$PWD/riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14/bin/
+pushd litex/litex/boards/targets && ./arty.py --toolchain symbiflow --cpu-type vexriscv --build && popd
+# linux litex example
 pushd examples/xc7/linux_litex_demo && make && popd
 ```
 
@@ -111,7 +108,7 @@ export INSTALL_DIR="/opt/symbiflow/eos-s3"
 # adding symbiflow toolchain binaries to PATH
 export PATH="$INSTALL_DIR/install/bin:$PATH"
 source "$INSTALL_DIR/conda/etc/profile.d/conda.sh"
-conda activate
+conda activate eos-s3
 git clone https://github.com/SymbiFlow/symbiflow-examples && cd symbiflow-examples
 pushd examples/eos-s3 && make && popd
 ```
diff --git a/examples/eos-s3/environment.yml b/examples/eos-s3/environment.yml
new file mode 100644
index 0000000..1e43f56
--- /dev/null
+++ b/examples/eos-s3/environment.yml
@@ -0,0 +1,16 @@
+name: eos-s3
+channels:
+  - antmicro/label/ql
+dependencies:
+  - antmicro/label/ql::yosys
+  - antmicro/label/ql::yosys-plugins
+  - antmicro/label/ql::vtr
+  - make
+  - lxml
+  - simplejson
+  - intervaltree
+  - git
+  - pip
+  # Packages installed from PyPI
+  - pip:
+    - -r file:requirements.txt
diff --git a/examples/eos-s3/requirements.txt b/examples/eos-s3/requirements.txt
new file mode 100644
index 0000000..fc75d5e
--- /dev/null
+++ b/examples/eos-s3/requirements.txt
@@ -0,0 +1,4 @@
+python-constraint
+git+https://github.com/symbiflow/fasm
+git+https://github.com/antmicro/quicklogic-fasm
+git+https://github.com/antmicro/quicklogic-fasm-utils
diff --git a/examples/xc7/environment.yml b/examples/xc7/environment.yml
new file mode 100644
index 0000000..4b0db61
--- /dev/null
+++ b/examples/xc7/environment.yml
@@ -0,0 +1,16 @@
+name: xc7
+channels:
+  - symbiflow
+dependencies:
+  - symbiflow::symbiflow-yosys
+  - symbiflow::symbiflow-yosys-plugins=1.0.0.7_0032_g104f4fc
+  - symbiflow::symbiflow-vtr=8.0.0.rc2_3575_g253f75b6d
+  - make
+  - lxml
+  - simplejson
+  - intervaltree
+  - git
+  - pip
+  # Packages installed from PyPI
+  - pip:
+    - -r file:requirements.txt
diff --git a/examples/xc7/requirements.txt b/examples/xc7/requirements.txt
new file mode 100644
index 0000000..370fd2e
--- /dev/null
+++ b/examples/xc7/requirements.txt
@@ -0,0 +1,2 @@
+python-constraint
+git+https://github.com/symbiflow/fasm