Is Dreamweaver CS 5.5 compatible with Mac OS X High Sierra or El Capitan?

[saraquel1]

I want to upgrade my computer from OS X 10.10.5 but I don't want to loose my Dreamweaver CS 5.5 as I cannot afford to purchase and upgrade of Dreamweaver and I will loose my website.  Just a very very tiny enterprise and it would put me out of business. Several years ago I lost Photoshop on an upgrade and I cannot afford to replace it. But I can upgrade my Mac for free.

[Nancy OShea · Accepted solution]

If you must keep using  legacy software, keep your old OS.    CS5.5 is not certified to run on newer Mac OS.

[saraquel1]

Thanks a million!

[B i r n o u]

as usual you can also install a virtual machine ... so you will update your OS... and running your older OS under a VM...

Oracle VM VirtualBox - Downloads | Oracle Technology Network | Oracle

so you will have optimisation on both side... (if your machine processor allows to install higher OS builds)

[patriciab120201]

@Birnou how does one install a virtual machine please?

[B i r n o u]

well you had the link in the previous message

Oracle VM VirtualBox - Downloads | Oracle Technology Network | Oracle

so you just have to download the appropriate installer, and run it...

then you launch VM Virtualbox.

from there you can then install as many virtual machine and virtual environment that you need

6.3. Creating a New Virtual Machine in VirtualBox

does this help ?

[patriciab120201]

Yes thank you

[Bay Hippisley Photography]

I am running DW CS5.5 on Mojave 10.14.6 despite all sorts of warnings. Different story with Photoshop where I had to go monthly.

[Nancy OShea · Accepted solution]

Creative Suite installers won't work on macOS Sierra, High Sierra or Mojave without terminal workarounds. See the help article below.
https://helpx.adobe.com/creative-cloud/kb/install-creative-suite-mac-os-sierra.html

CS5 and CS6 are on life support. But they can still be activated providing you have the following:
1. your original media (disks or downloads) you received at purchase and an optical reader,
2. a legitimate serial number for that version, language and platform (Win/Mac) and if it was an upgrade, a qualifying serial number from an older product,
3. an older operating system that can support legacy 32-bit apps.

Modern Creative cloud apps require a computer that meets these CPU & GPU requirements.

• Windows 11 (64-bit), Windows 10 versions 22H2, 21H2, 21H1;
• MacOS 13 (Ventura), 12 (Monterey), macOS 11 (Big Sur).

- https://helpx.adobe.com/creative-cloud/system-requirements.html
- https://helpx.adobe.com/photoshop/system-requirements.html
- https://helpx.adobe.com/photoshop/kb/photoshop-cc-gpu-card-faq.html

Hope that helps.