MichelPM,
Here is the etrecheck report:
EtreCheck version: 3.0.3 (307)
Report generated 2016-09-01 21:44:19
Download EtreCheck from https://etrecheck.com
Runtime 1:54
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Computer is too slow
Hardware Information: ⓘ
iMac (20-inch, Mid 2007)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac7,1
1 2 GHz Intel Core 2 Duo CPU: 2-core
4 GB RAM
BANK 0/DIMM0
2 GB DDR2 SDRAM 667 MHz ok
BANK 1/DIMM1
2 GB DDR2 SDRAM 667 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
ATI,RadeonHD2400 - VRAM: 128 MB
iMac 1680 x 1050
spdisplays_display_connector
System Software: ⓘ
OS X Snow Leopard 10.6.8 (10K549) - Time since boot: about 4 hours
Disk Information: ⓘ
Hitachi HDT725025VLA380 disk0 : (232.89 GB) (Rotational)
- (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 249.72 GB (205.32 GB free)
USB Information: ⓘ
Apple, Inc. Keyboard Hub
Primax Electronics Apple Optical USB Mouse
Apple, Inc Apple Keyboard
Apple Inc. Built-in iSight
ALCOR Generic USB Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Startup Items: ⓘ
HP Trap Monitor: Path: /Library/StartupItems/HP Trap Monitor
Startup items are obsolete in OS X Yosemite
System Launch Agents: ⓘ
[not loaded] 3 Apple tasks
[loaded] 63 Apple tasks
[running] 7 Apple tasks
System Launch Daemons: ⓘ
[failed] com.apple.netauth.sysagent.plist (2009-06-23)
[not loaded] 49 Apple tasks
[loaded] 88 Apple tasks
[running] 28 Apple tasks
Launch Agents: ⓘ
[loaded] com.epson.esua.launcher.plist (2015-06-29) [Support]
[running] com.epson.eventmanager.agent.plist (2014-09-21) [Support]
[loaded] com.hp.help.tocgenerator.plist (2009-07-28) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.fpsaud.plist (2013-08-31) [Support]
User Launch Agents: ⓘ
[loaded] com.google.keystone.agent.plist (2016-07-12) [Support]
User Login Items: ⓘ
iTunesHelper Application Hidden (/Applications/iTunes.app/Contents/Resources/iTunesHelper.app)
Typing Speed Gauge Application (/Applications/Mavis Beacon Teaches Typing.app/Contents/Resources/Typing Speed Gauge.app)
CameraWindow Application (/Applications/Canon Utilities/CameraWindow/CameraWindow.app)
Internet Plug-ins: ⓘ
Flip4Mac WMV Plugin: 2.2.1.11 (2008-08-15) [Support]
FlashPlayer-10.6: 11.8.800.168 - SDK 10.6 (2013-12-23) [Support]
JavaAppletPlugin: 13.9.8 - SDK 10.6 (2015-03-01) Check version
Flash Player: 11.8.800.168 - SDK 10.6 (2013-12-23) Outdated! Update
QuickTime Plugin: 7.6.6 (2015-03-01)
Silverlight: 5.1.20913.0 - SDK 10.6 (2014-01-25) [Support]
iPhotoPhotocast: 7.0 (2009-12-05)
User internet Plug-ins: ⓘ
Move-Media-Player: npmnqmp 07103007 (2008-06-14) [Support]
WebEx64: 1.0 - SDK 10.6 (2014-06-17) [Support]
Audio Plug-ins: ⓘ
iSightAudio: 7.6.6 (2015-03-01)
3rd Party Preference Panes: ⓘ
Flash Player (2013-08-31) [Support]
Flip4Mac WMV (2008-08-15) [Support]
Time Machine: ⓘ
Time Machine information requires OS X 10.8 "Mountain Lion" or later.
Top Processes by CPU: ⓘ
9% WindowServer
5% Google Chrome Helper(7)
1% fontd
0% Dock
0% configd
Top Processes by Memory: ⓘ
1.06 GB Google Chrome Helper(7)
193 MB Google Chrome
61 MB mds
49 MB WindowServer
25 MB Finder
Virtual Memory Information: ⓘ
1.86 GB Free RAM
2.14 GB Used RAM
28 MB Swap Used
Diagnostics Information: ⓘ
Sep 1, 2016, 05:37:47 PM Self test - passed
Thanks for the information on downloading El Capitan and adding the RAM. If I do that, then we should be able to run the latest version of Numbers. On the other hand, I am a little concerned about the hardware and if I am pushing it to try to go longer.
Thanks