diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 97544e94..b56b63f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,7 +39,7 @@ snapshot32:
     - mv src/dist artifacts/TWBlue
     - move src/twblue.zip artifacts/twblue_snapshot_x86.zip
   only:
-    - next-gen
+    - tags
   artifacts:
     paths:
       - artifacts
@@ -75,7 +75,7 @@ snapshot64:
     - mv src/dist artifacts/TWBlue64
     - move src/twblue.zip artifacts/twblue_snapshot_x64.zip
   only:
-    - next-gen
+    - tags
   artifacts:
     paths:
       - artifacts
@@ -96,8 +96,8 @@ generate_versions:
     - move artifacts/TWBlue scripts/
     - move artifacts/TWBlue64 scripts/
     - cd scripts
-    - '&$env:NSIS twblue.nsi'
-    - move twblue_setup.exe ../artifacts
+    - '&$env:NSIS twblue_snapshot.nsi'
+    - move twblue_snapshot_setup.exe ../artifacts
   artifacts:
     paths:
       - artifacts
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 6fc07d83..00000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,84 +0,0 @@
-pull_requests:
-  # Avoid building after pull requests. Shall we disable this option?
-  do_not_increment_build_number: true
-
-# Only build whenever we add tags to the repo.
-skip_non_tags: true
-
-environment:
-
-  matrix:
-
-  # List of python versions we want to work with.
-    - PYTHON: "C:\\Python38"
-      PYTHON_VERSION: "3.8.x" # currently 2.7.9
-      PYTHON_ARCH: "32"
-
-  # perhaps we may enable this one in future?
-#    - PYTHON: "C:\\Python37-x64"
-#      PYTHON_VERSION: "3.7.x" # currently 2.7.9
-#      PYTHON_ARCH: "64"
-
-# This is important so we will retrieve everything in submodules as opposed to default method.
-clone_script:
-  - cmd: >-
-      git clone -q --branch=%APPVEYOR_REPO_BRANCH% https://github.com/%APPVEYOR_REPO_NAME%.git %APPVEYOR_BUILD_FOLDER%
-      && cd %APPVEYOR_BUILD_FOLDER%
-      && git checkout -qf %APPVEYOR_REPO_COMMIT%
-      && git submodule update --init --recursive
-
-install:
-  # If there is a newer build queued for the same PR, cancel this one.
-  # The AppVeyor 'rollout builds' option is supposed to serve the same
-  # purpose but it is problematic because it tends to cancel builds pushed
-  # directly to master instead of just PR builds (or the converse).
-  # credits: JuliaLang developers.
-  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
-        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
-        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
-          throw "There are newer queued builds for this pull request, failing early." }
-#  - ECHO "Filesystem root:"
-#  - ps: "ls \"C:/\""
-
-  # Check that we have the expected version and architecture for Python
-  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-  - "python --version"
-  - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-
-  # Upgrade to the latest version of pip to avoid it displaying warnings
-  # about it being out of date.
-  - "python -m pip install --upgrade pip setuptools"
-
-  # Install the build dependencies of the project. If some dependencies contain
-  # compiled extensions and are not provided as pre-built wheel packages,
-  # pip will build them from source using the MSVC compiler matching the
-  # target Python version and architecture
-  - "%CMD_IN_ENV% pip install -r requirements.txt"
-  - "%CMD_IN_ENV% pip install pyenchant"
-
-build_script:
-  # Build documentation at first, so setup.py won't fail when copying everything.
-  - "cd doc"
-  # Import documentation before building, so strings.py will be created.
-  - "%CMD_IN_ENV% python documentation_importer.py"
-  # build doc from src folder so it will generate result files right there.
-  - "cd ..\\src"
-  - "%CMD_IN_ENV% python ..\\doc\\generator.py"
-  # Build distributable files.
-  - "%CMD_IN_ENV% python setup.py build"
-  - "cd dist"
-  # Zip it all.
-  - cmd: 7z a ..\..\snapshot.zip *
-
-artifacts:
-  - path: snapshot.zip
-
-deploy:
-- provider: FTP
-  host: twblue.es
-  protocol: ftp
-  beta: true
-  username: twblue.es
-  password:
-    secure: lQZqpYRnHf4LLVOg0C42NQ==
-  folder: 'web/pubs'
\ No newline at end of file
diff --git a/scripts/twblue.nsi b/scripts/twblue.nsi
index eca410c0..f83fe05b 100644
--- a/scripts/twblue.nsi
+++ b/scripts/twblue.nsi
@@ -14,7 +14,7 @@ SetCompress auto
 SetCompressor /solid lzma
 SetDatablockOptimize on
 VIAddVersionKey ProductName "TWBlue"
-VIAddVersionKey LegalCopyright "Copyright 2018 Manuel Cortéz."
+VIAddVersionKey LegalCopyright "Copyright 2014-2021 Manuel Cortéz."
 VIAddVersionKey ProductVersion "0.95"
 VIAddVersionKey FileVersion "0.95"
 VIProductVersion "0.95.0.0"
@@ -27,7 +27,7 @@ var StartMenuFolder
 !insertmacro MUI_PAGE_STARTMENU startmenu $StartMenuFolder
 !insertmacro MUI_PAGE_INSTFILES
 !define MUI_FINISHPAGE_LINK "Visit TWBlue website"
-!define MUI_FINISHPAGE_LINK_LOCATION "http://twblue.es"
+!define MUI_FINISHPAGE_LINK_LOCATION "https://twblue.es"
 !define MUI_FINISHPAGE_RUN "$INSTDIR\TWBlue.exe"
 !insertmacro MUI_PAGE_FINISH
 !insertmacro MUI_UNPAGE_CONFIRM
diff --git a/scripts/twblue_snapshot.nsi b/scripts/twblue_snapshot.nsi
new file mode 100644
index 00000000..73f5c7ed
--- /dev/null
+++ b/scripts/twblue_snapshot.nsi
@@ -0,0 +1,95 @@
+!include "MUI2.nsh"
+!include "LogicLib.nsh"
+!include "x64.nsh"
+Unicode true
+CRCCheck on
+ManifestSupportedOS all
+XPStyle on
+Name "TWBlue"
+OutFile "TWBlue_snapshot_setup.exe"
+InstallDir "$PROGRAMFILES\twblue"
+InstallDirRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "InstallLocation"
+RequestExecutionLevel admin
+SetCompress auto
+SetCompressor /solid lzma
+SetDatablockOptimize on
+VIAddVersionKey ProductName "TWBlue Snapshot version"
+VIAddVersionKey LegalCopyright "Copyright 2014-2021 Manuel Cortéz."
+VIAddVersionKey ProductVersion "6"
+VIAddVersionKey FileVersion "6"
+VIProductVersion "6.0.0"
+VIFileVersion "6.0.0"
+!insertmacro MUI_PAGE_WELCOME
+!define MUI_LICENSEPAGE_RADIOBUTTONS
+!insertmacro MUI_PAGE_LICENSE "license.txt"
+!insertmacro MUI_PAGE_DIRECTORY
+var StartMenuFolder
+!insertmacro MUI_PAGE_STARTMENU startmenu $StartMenuFolder
+!insertmacro MUI_PAGE_INSTFILES
+!define MUI_FINISHPAGE_LINK "Visit TWBlue website"
+!define MUI_FINISHPAGE_LINK_LOCATION "https://twblue.es"
+!define MUI_FINISHPAGE_RUN "$INSTDIR\TWBlue.exe"
+!insertmacro MUI_PAGE_FINISH
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+  !insertmacro MUI_LANGUAGE "English"
+!insertmacro MUI_LANGUAGE "French"
+!insertmacro MUI_LANGUAGE "Spanish"
+!insertmacro MUI_LANGUAGE "Italian"
+!insertmacro MUI_LANGUAGE "Finnish"
+!insertmacro MUI_LANGUAGE "Russian"
+!insertmacro MUI_LANGUAGE "PortugueseBR"
+!insertmacro MUI_LANGUAGE "Polish"
+!insertmacro MUI_LANGUAGE "German"
+!insertmacro MUI_LANGUAGE "Hungarian"
+!insertmacro MUI_LANGUAGE "Turkish"
+!insertmacro MUI_LANGUAGE "Arabic"
+!insertmacro MUI_LANGUAGE "Galician"
+!insertmacro MUI_LANGUAGE "Catalan"
+!insertmacro MUI_LANGUAGE "Basque"
+!insertmacro MUI_LANGUAGE "Croatian"
+!insertmacro MUI_LANGUAGE "Japanese"
+!insertmacro MUI_LANGUAGE "SerbianLatin"
+!insertmacro MUI_LANGUAGE "Romanian"
+!insertmacro MUI_RESERVEFILE_LANGDLL
+Section
+SetShellVarContext All
+SetOutPath "$INSTDIR"
+${If} ${RunningX64}
+File /r TWBlue64\*
+${Else}
+File /r TWBlue\*
+${EndIf}
+CreateShortCut "$DESKTOP\TWBlue.lnk" "$INSTDIR\TWBlue.exe"
+!insertmacro MUI_STARTMENU_WRITE_BEGIN startmenu
+CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
+CreateShortCut "$SMPROGRAMS\$StartMenuFolder\TWBlue.lnk" "$INSTDIR\TWBlue.exe"
+CreateShortCut "$SMPROGRAMS\$StartMenuFolder\TWBlue on the web.lnk" "http://twblue.es"
+CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall.lnk" "$INSTDIR\Uninstall.exe"
+!insertmacro MUI_STARTMENU_WRITE_END
+WriteUninstaller "$INSTDIR\Uninstall.exe"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "DisplayName" "TWBlue"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "UninstallString" '"$INSTDIR\uninstall.exe"'
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall" "InstallLocation" $INSTDIR
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall" "Publisher" "Manuel Cortéz"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "DisplayVersion" "0.95"
+WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "URLInfoAbout" "http://twblue.es"
+WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "VersionMajor" 0
+WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "VersionMinor" 95
+WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "NoModify" 1
+WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue" "NoRepair" 1
+SectionEnd
+Section "Uninstall"
+SetShellVarContext All
+DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\twblue"
+RMDir /r /REBOOTOK $INSTDIR
+Delete "$DESKTOP\TWBlue.lnk"
+!insertmacro MUI_STARTMENU_GETFOLDER startmenu $StartMenuFolder
+RMDir /r "$SMPROGRAMS\$StartMenuFolder"
+SectionEnd
+Function .onInit
+${If} ${RunningX64}
+StrCpy $instdir "$programfiles64\twblue"
+${EndIf}
+!insertmacro MUI_LANGDLL_DISPLAY
+FunctionEnd