Microsoft PowerPoint is far and away the most widely used presentation program.
Apache OpenOffice Impress is a free and open source alternative to PowerPoint. It is part of the productivity office suite Apache OpenOffice.
OpenOffice Impress is a presentation tool. The software is open source so free and legal to download and install for both private and business users.
Apache OpenOffice Impress has the following characteristics:
Apache OpenOffice Impress screenshots
You can free download OpenOffice.org Impress and safe install the latest trial or new full version for Windows 10 (x32, 64 bit, 86) from the official site.
Devices: Desktop PC, Laptop (ASUS, HP, DELL, Acer, Lenovo, MSI), Ultrabook
OS: Professional, Enterprise, Education, Home Edition, versions: 1507, 1511, 1607, 1703, 1709, 1803, 1809