Using Adobe Acrobat Online Tool

1. Open the Adobe Acrobat Merge PDF tool in your web browser.

2. Click Select files or drag and drop the PDF files into the designated area.

3. Arrange the files in your desired order by dragging them.

4. Click Merge files to combine them into one PDF.

5. Download the merged PDF file to your device.

Using Smallpdf Online Tool

1. Visit the Smallpdf Merge PDF tool in your browser.

2. Drag and drop your PDF files into the upload area or click Choose Files to select them.

3. Rearrange the files or pages as needed.

4. Click Merge PDF to combine the files.

5. Download the merged PDF or save it to a cloud service.

Using PDF Merger & Splitter on Windows

1. Download and install PDF Merger & Splitter from the Microsoft Store.

2. Open the app and click Merge PDF.

3. Click Add PDFs to upload the files you want to merge.

4. Arrange the files in the desired order using the Move Up or Move Down options.

5. Click Merge PDFs and choose a location to save the merged file.