If you receive or download a PDF file which has form fields in it that need to be filled and and/or possibly require a signature, this can be done using the free ADOBE ACROBAT READER DC tool.
(or you can do a Google Search for this tool).
First, open the file with Adobe Acrobat Reader program.
Filling in the Form Fields.
- Read and understand the form carefully for filling in any details and/or signing it.
- When you find the "enterable" fields, click on the field and enter the required details.

- if you need to sign the form, click on the signature field to select it.

- In the menu bar at the top, click on the Signature Tool icon.

- An additional menu bar should be displayed which will allow you to add your signature or initials

- If we click on Signature, for example, another window should appear to allow you to Type, draw or add an image of your signature.
you can elect to
- Type your signature, and a scripted font will be used
- To draw your signature you could elect to use your mouse or, if you have a touch screen, your finger.
- select a previously prepared signature image from a file
Note that you can elect to save your signature so that it can be used next time.

- Once you have drawn, typed or selected your signature, click the APPLY button.
- Typed:

- Drawn

- If we choose to draw, and select the Apply button, we can drag the resulting image to the correct field on the form, and size it to fit, if needed.

- Continue until all required fields have been entered and use the menu option "File / SAVE AS" to save the signed form somewhere where you will find it again.
- Check in the folder where you have saved it, that the file you have just saved does contain your entered data, and send it to whoever needs to receive it.