Lightroom doesn't start. Update required

[defaultab9a95znn9f7]

Hello,

the last time I used Lightroom (my version is the 6.12) must have been a few months ago. When I try to open Lightroom now, I first get a screen telling me that a login is required.
When I click on 'Sign in now' a window appears telling me that an update is required. I am running Windows 10 Pro in the latest version 21H1 and all updates are installed. Latest versions of Edge and Chrome as well.
I had installed the software via a purchased key at the time and don't remember setting up an Adobe account for it at all, but can't get as far as logging in anyway thanks to the error messages.
Thanks for your help...

[AxelMatt · Accepted solution]

you don't have the latest version of Lightroom.

Goto Adobe Lightroom 6 (CC 2015) Direct Download Links - Free Trials | ProDesignTools and scroll down to the section "Adobe Lightroom 6/CC 2015 Direct Download Links".

There you'll find the installations file for Lightroom 6 (v6.14). Install this version and check if its running.

Save the file for later using. It's not sure how long these downloads are available.

[defaultab9a95znn9f7]

Thanks for the quick reply. Is there a way to read the installed key from LR? When installing the new version I have to enter the key again but can no longer find it....

[Rob_Cullen]

If you ever registered your Lr6 with Adobe, then-

Find your serial number

Or use other software as suggested at- https://www.digitaltrends.com/computing/best-product-key-finders/

I have used Belarc Advisor.

[defaultab9a95znn9f7]

Great, with Belarc Advisor I could actually find the key and install the new version. Now LR can be started again. However, at startup I get the warning that the product is still installed on another computer and I have 30 days to deactivate it.
I can't imagine why this is. My PC is running with new hardware but I had LR running without any problems after the hardware upgrade. So I have no way to disable it anywhere...

[AxelMatt]

You have to contact the Adobe's customer support. Only they can reset the number of activations. 

Click the following to contact Adobe customer support staff for help:  
 
https://helpx.adobe.com/contact/support.html 
 
Please signed in with your Adobe ID and allow cookies in your web browser for this to work. The link refer to the US website. If you are not located in the US, the site should redirect to the page appropriate to the region associated with your ID. 
 
Click the chat icon at the bottom right of the page to open a chat session. Typing AGENT into the chat window should connect you directly to an support employee. 

[DdeGannes]

Lightroom 6 was the last version that was released with a license key to install. It was the only version that had a mandate to register and activate, versions 1 through 5 did not mandate registration to activate.

So you should have an Adobe ID and account to do so, the email address you used to complete this would be your login ID.