Mac running very slow

I would love some help. I honestly have gotten to where I don't use my Mac very often at all because it seems to be so slow - I guess it's beachballing? I ran EtreCheck and pasted the report. Any suggestions for getting it up and going again? Thanks so much.

EtreCheck version: 4.1.3 (4A188)

Report generated: 2018-03-13 21:24:15

Download EtreCheck from https://etrecheck.com

Runtime: 5:40

Performance: Below Average

Problem: Beachballing

Major Issues:

Anything that appears on this list needs immediate attention.

No Time Machine backup - Time Machine backup not found.

Minor Issues:

These issues do not need immediate attention but they may indicate future problems.

Unsigned files - There is unsigned software installed. They appear to be legitimate but should be reviewed.

Low performance - EtreCheck report took over 5 minutes to run. This is unusual.

32-bit Apps - This machine has 32-bits apps that may have problems in the future.

Hardware Information:

iMac (21.5-inch, Late 2013)

iMac Model: iMac14,3

1 2.9 GHz Intel Core i5 (i5-4570S) CPU: 4-core

8 GB RAM Upgradeable

BANK 0/DIMM0

4 GB DDR3 1600 ok

BANK 1/DIMM0

4 GB DDR3 1600 ok

Video Information:

NVIDIA GeForce GT 750M - VRAM: 1 GB

iMac 1920 x 1080

Drives:

disk0 - APPLE HDD HTS541010A9E662 1.00 TB (Mechanical)

Internal SATA 3 Gigabit Serial ATA

disk0s1 - EFI (MS-DOS FAT32) [EFI] 210 MB

disk0s2 - Macintosh HD (Journaled HFS+) 999.35 GB

disk0s3 - Recovery HD (Journaled HFS+) [Recovery] 650 MB

Mounted Volumes:

disk0s2 - Macintosh HD 999.35 GB (636.59 GB free)

Journaled HFS+

Mount point: /

Network:

Interface Bluetooth-Modem: Bluetooth DUN

Interface en0: Ethernet

Interface en1: Wi-Fi

802.11 a/b/g/n/ac

One IPv4 address

Interface en5: iPhone

Interface en6: iPhone 2

Interface en7: iPhone 3

Interface en8: iPhone 4

Interface en4: Bluetooth PAN

Interface bridge0: Thunderbolt Bridge

iCloud Quota: 11.98 GB available

iCloud Status: 67 pending files

System Software:

macOS High Sierra 10.13.3 (17D102)

Time since boot: About a day

System Load: 2.32 (1 min ago) 2.35 (5 min ago) 2.21 (15 min ago)

Security:

Unsigned Files:

Launchd: /Library/LaunchAgents/com.citrix.ServiceRecords.plist

Executable: /usr/local/libexec/ServiceRecords.app/Contents/MacOS/ServiceRecords

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchDaemons/com.adobe.fpsaud.plist

Executable: /Library/Application Support/Adobe/Flash Player Install Manager/fpsaud

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchAgents/com.coupons.coupond.plist

Executable: /Library/Application Support/Coupons/coupond launchd

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchAgents/com.citrix.AuthManager_Mac.plist

Executable: /usr/local/libexec/AuthManager_Mac.app/Contents/MacOS/AuthManager_Mac

Details: Exact match found in the whitelist - probably OK

Launchd: /Library/LaunchAgents/com.citrix.ReceiverHelper.plist

Executable: /usr/local/libexec/ReceiverHelper.app/Contents/MacOS/ReceiverHelper

Details: Exact match found in the whitelist - probably OK

32-bit Applications:

Kernel Extensions:

/Library/Extensions

[Not Loaded] CitrixGUSB.kext (Citrix Systems, Inc., 1.0)

/System/Library/Extensions

[Not Loaded] LfEtherConfig.kext (2.0)

[Not Loaded] LfConnectDriver.kext (1.16.1 - SDK 10.9)

System Launch Agents:

System Launch Daemons:

Launch Agents:

Launch Daemons:

User Launch Agents:

User Login Items:

iTunesHelper Application (Apple, Inc. - installed 2018-01-23)

(/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

P72E3GC48.com.dashlane.DashlaneAgent SMLoginItem (Mac App Store - installed 2018-02-15)

(/Applications/Dashlane.app/Contents/Library/LoginItems/P72E3GC48.com.dashlane. DashlaneAgent.app)

Internet Plug-ins:

FlashPlayer-10.6: 21.0.0.226 (installed 2016-04-21)

QuickTime Plugin: 7.7.3 (installed 2018-01-19)

Flash Player: 21.0.0.226 (installed 2016-04-21)

CouponPrinter-FireFox_v2: 5.1.4 (installed 2015-04-07)

NP_2020Player_IKEA: 5.0.94.1 (installed 2012-09-28)

NP_2020Player_WEB: 5.0.94.0 (installed 2011-10-26)

CitrixICAClientPlugIn: 12.1.100 (installed 2016-01-26)

o1dbrowserplugin: 5.41.3.0 (installed 2015-12-15)

googletalkbrowserplugin: 5.41.3.0 (installed 2015-12-11)

JavaAppletPlugin: 15.0.1 (installed 2014-11-10)

Safari Extensions:

3rd Party Preference Panes:

Flash Player (installed 2016-04-15)

Time Machine:

Time Machine Not Configured!

Top Processes by CPU:

Top Processes by Memory:

Top Processes by Network Use:

Top Processes by Energy Use:

Virtual Memory Information:

Diagnostics Information (past 7 days):

2018-03-12 11:29:27 Last Shutdown Cause: 0 - Power loss (once)

End of report