RZ PowerPoint Converter provided a Free Edition, it's 100% Safe and Easy-To-Use, no Timelimit, only limited some features and services, you could view the below table for detailed difference between Free Edition, VideoPro Edition, DVDPro Edition, and Platinum Edition.

Key Features		Free Version		VideoPro version		DVDPro version		Platinum version
Input PowerPoint Formats		.ppt, .pptx, .pptm, .pps, .ppsx, .pot, .potx, .potm		.ppt, .pptx, .pptm, .pps, .ppsx, .pot, .potx, .potm		.ppt, .pptx, .pptm, .pps, .ppsx, .pot, .potx, .potm		.ppt, .pptx, .pptm, .pps, .ppsx, .pot, .potx, .potm
Input PowerPoint Vesions		PowerPoint 2013, 2010, 2007, 2003, 2002, 2000		PowerPoint 2013, 2010, 2007, 2003, 2002, 2000		PowerPoint 2013, 2010, 2007, 2003, 2002, 2000		PowerPoint 2013, 2010, 2007, 2003, 2002, 2000
Convert to video		AVI		MP4, AVI, MOV, FLV, VOB, MPEG1/MPEG2, ASF, WMV, 3GP/3GPP, OGG, Xvid, H.264/AVC, MPEG4, etc.		No		MP4, AVI, MOV, FLV, VOB, MPEG1/MPEG2, ASF, WMV, 3GP/3GPP, OGG, Xvid, H.264/AVC, MPEG4, etc.
Convert to HD video		No		Yes		No		Yes
Convert and burn to DVD		No		No		DVD disc, DVD ISO file, DVD Folder		DVD disc, DVD ISO file, DVD Folder
Supported Devices		No		Apple TV, iPod, iPad, iPad Mini, iPad Air, iTouch, iPhone, iPhone6 Plus, Android Tab, Android Pad, Android Phone, iRiver, Zune, Zune HD, PS, PSP, Xbox, Blakberry Playbox, Motorola Xoom, Samsung Galaxy Tab, Surface, Pocket PC, Nexus, etc.		DVD Players, Blu-ray Players.		Apple TV, iPod, iPad, iPad Mini, iPad Air, iTouch, iPhone, iPhone6 Plus, Android Tab, Android Pad, Android Phone, iRiver, Zune, Zune HD, PS, PSP, Xbox, Blakberry Playbox, Motorola Xoom, Samsung Galaxy Tab, Surface, Pocket PC, Nexus, etc.
Add/Design DVD Menu		No		No		Yes		Yes
Watermark		Yes, exception of AVI.		No		No		No
Time Limited		No		No		No		No
Price (Time-limited Special Offer)		Free		$39.99 US$29.99		$39.99 US$29.99		$66.66 US$49.95
Download(.exe) 25.65MB