diff --git a/anleitung_linux_openai-gym.pdf b/anleitung_linux_openai-gym.pdf
index ad339c9a8b0d914eab9653fd36dbdc4c6c9de5fa..7618c5abe3a5bc30b7f52b89470a7fb5bb006300 100644
Binary files a/anleitung_linux_openai-gym.pdf and b/anleitung_linux_openai-gym.pdf differ
diff --git a/anleitung_linux_openai-gym.tex b/anleitung_linux_openai-gym.tex
index 3b86376b8bd3d9cb0405caaef20961cbac275967..ca1eac275886e5a90a9e035048fbd1fda3731840 100644
--- a/anleitung_linux_openai-gym.tex
+++ b/anleitung_linux_openai-gym.tex
@@ -57,7 +57,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installationsanleitung für Python mit OpenAI Gym für Linux}
-\date{Mai 2023}
+\date{Dezember 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883
diff --git a/anleitung_windows_openai-gym.pdf b/anleitung_windows_openai-gym.pdf
index bdf4898b21d76fbffa0408a5cffae6c9a664ecff..9179a30e555e64f8349c4a56847dc547d74ed857 100644
Binary files a/anleitung_windows_openai-gym.pdf and b/anleitung_windows_openai-gym.pdf differ
diff --git a/anleitung_windows_openai-gym.tex b/anleitung_windows_openai-gym.tex
index 5adac5ab39d79f43d02812c8a8cd6105eefbe12c..924ff84dffada22ed87a488bfa3a38db90167f0e 100644
--- a/anleitung_windows_openai-gym.tex
+++ b/anleitung_windows_openai-gym.tex
@@ -52,7 +52,7 @@
 
 
 \title{Installationsanleitung für Python mit OpenAI Gym für Windows}
-\date{Mai 2023}
+\date{Dezember 2023}
 \author{Christof Kaufmann}
 
 
diff --git a/instructions_linux_ana2.pdf b/instructions_linux_ana2.pdf
index cde6aa12befb288bd2048b1adc40da94c8c1ee63..bc42af9c4591ee12f6818d7c4e87f43876135fcc 100644
Binary files a/instructions_linux_ana2.pdf and b/instructions_linux_ana2.pdf differ
diff --git a/instructions_linux_ana2.tex b/instructions_linux_ana2.tex
index fd292a128d76689a31cd0666705b3380df52a4e2..739c27e23bfe863829ca91fe340ba344f2ec7f07 100644
--- a/instructions_linux_ana2.tex
+++ b/instructions_linux_ana2.tex
@@ -52,7 +52,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installation of Python via Miniforge for Linux}
-\date{May 2023}
+\date{December 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883
diff --git a/instructions_linux_weai.pdf b/instructions_linux_weai.pdf
index e27a170dae3e7e7d5239e34cfacd0fd2c1d4b8d1..7ef2830e231bad130fcf2c24e248047847c330c5 100644
Binary files a/instructions_linux_weai.pdf and b/instructions_linux_weai.pdf differ
diff --git a/instructions_linux_weai.tex b/instructions_linux_weai.tex
index 9631c02413c54ec33fd71970f926d9401d13477a..1719162759e7a34577fa23c7db3fca36184d6f6f 100644
--- a/instructions_linux_weai.tex
+++ b/instructions_linux_weai.tex
@@ -51,7 +51,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installation of Python via Miniforge for Linux}
-\date{May 2023}
+\date{December 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883
diff --git a/instructions_windows_ana2.pdf b/instructions_windows_ana2.pdf
index d67c93b10b172a0a495b8f3960caaa71e9c9804f..41d50e3db2755930936f278e431cc241c6a1ce68 100644
Binary files a/instructions_windows_ana2.pdf and b/instructions_windows_ana2.pdf differ
diff --git a/instructions_windows_ana2.tex b/instructions_windows_ana2.tex
index d934e4dfefdcaa9743c7938a9cea5f390fedae1b..930d9ac9dcbbf67b413573c737a942f5750ac69d 100644
--- a/instructions_windows_ana2.tex
+++ b/instructions_windows_ana2.tex
@@ -52,7 +52,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installation of Python via Miniforge for Windows}
-\date{May 2023}
+\date{December 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883
diff --git a/instructions_windows_weai.pdf b/instructions_windows_weai.pdf
index 894358769fa300c2a72e3a43de479f472cca3943..53fde5727a5d28430063efec323404aae57cedcb 100644
Binary files a/instructions_windows_weai.pdf and b/instructions_windows_weai.pdf differ
diff --git a/instructions_windows_weai.tex b/instructions_windows_weai.tex
index c0ec100e3bf4941546e9e41dbad8f2580998c101..2b813c5421dfa9eaae59ca115f08918ea8ad7dd3 100644
--- a/instructions_windows_weai.tex
+++ b/instructions_windows_weai.tex
@@ -51,7 +51,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installation of Python via Miniforge for Windows}
-\date{May 2023}
+\date{December 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883
diff --git a/instructions_windows_weai_nossl_notf.pdf b/instructions_windows_weai_nossl_notf.pdf
index 5eebf3b907d2a8f5c1201a639c7e907ab4776788..2cd6d291674cfce15733ba51758e310aeec07128 100644
Binary files a/instructions_windows_weai_nossl_notf.pdf and b/instructions_windows_weai_nossl_notf.pdf differ
diff --git a/instructions_windows_weai_nossl_notf.tex b/instructions_windows_weai_nossl_notf.tex
index 3636bc385c8312703d3a6d92cafc15bdb446df68..95a93a46a31aec72790258b5dfd1bf1c12b98ced 100644
--- a/instructions_windows_weai_nossl_notf.tex
+++ b/instructions_windows_weai_nossl_notf.tex
@@ -51,7 +51,7 @@
 \usepackage[color=blue, author={Christof Kaufmann}]{attachfile2} % load after hyperref to avoid option clash from unicode=true
 
 \title{Installation of Python via Miniforge for Windows}
-\date{September 2023}
+\date{December 2023}
 \author{Christof Kaufmann}
 
 % one infinite page, https://tex.stackexchange.com/a/19241/115883