S.Drake
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2.1. Install the trial version. It's free.
2.2. Install a cracked version of the office suite.
2.3. Use free software (OpenOffice).
2.4. Use an online viewer (Google Docs).
2.5. Download a free converter.
2.6. Finally, rename the extension to xls.
3.1. This completely unnecessary Excel does a great job with PDFs.
3.2. To create a table of contents, you suggest installing a new, bloated Acrobat?
3.3. The table of contents has page numbers. To navigate to the desired page, you only need to click a couple of times.
3.4. The next "physical exercise" will be in Notepad, just for you.