diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1419952..3a01652 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,8 +13,8 @@ concurrency:
 
 jobs:
   install-and-test:
-    name: Install & Test (Windows)
-    runs-on: windows-latest
+    name: Install & Test
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -29,10 +29,11 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements-win11.txt
-        shell: bash
 
       - name: Install Tesseract OCR
-        run: choco install tesseract --no-progress -y
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y tesseract-ocr
 
       - name: Python version
         run: python -c "import sys; print(sys.version)"
@@ -124,7 +125,7 @@ jobs:
           sys.path.insert(0, 'src')
 
           import pytesseract
-          pytesseract.pytesseract.tesseract_cmd = r'C:\Program Files\Tesseract-OCR\tesseract.exe'
+          pytesseract.pytesseract.tesseract_cmd = '/usr/bin/tesseract'
 
           import cv2
           import numpy as np
@@ -148,7 +149,7 @@ jobs:
       - name: Verify OCR (botty ocr module)
         env:
           PYTHONPATH: ./src
-          PYTESSERACT_TESSERACT_CMD: C:\Program Files\Tesseract-OCR\tesseract.exe
+          PYTESSERACT_TESSERACT_CMD: /usr/bin/tesseract
         run: |
           python -c "
           import sys, os
@@ -201,13 +202,8 @@ jobs:
       - name: Upload coverage
         uses: actions/upload-artifact@v4
         if: always()
-        # Non-blocking: this is a convenience artifact, not a gate. When the account's
-        # artifact storage quota is full the upload fails with
-        # "Failed to CreateArtifact: Artifact storage quota has been hit" and marked the
-        # whole run red even though every test step passed. A quota problem is not a
-        # broken build.
         continue-on-error: true
         with:
           name: coverage-report
           path: coverage.xml
-          retention-days: 7
\ No newline at end of file
+          retention-days: 7